diff --git a/joj3_config_generator/loader.py b/joj3_config_generator/loader.py
index dc8b129..204a8c4 100644
--- a/joj3_config_generator/loader.py
+++ b/joj3_config_generator/loader.py
@@ -9,17 +9,19 @@ from joj3_config_generator.models import answer, joj1, repo, task
 
 
 def load_joj3_task_toml_answers() -> answer.Answers:
-    questions = [
-        inquirer.Text(name="name", message="What's the task name?"),
-        inquirer.Checkbox(
-            "stages",
-            message="What kind of stages do you need?",
-            choices=[member.value for member in answer.StageEnum],
-            default=[answer.StageEnum.COMPILATION],
-        ),
-    ]
-    answers = inquirer.prompt(questions)
-    return answer.Answers(**answers)
+    name = inquirer.text("What's the task name?", default="hw0")
+    language: answer.LanguageInterface = inquirer.list_input(
+        "What's the language?", choices=answer.LANGUAGES
+    )
+    stages = inquirer.checkbox(
+        "What's the stages?",
+        choices=[member.value for member in language.Stage],
+        default=[member.value for member in language.Stage],
+    )
+    language.set_stages(stages)
+    attribute = inquirer.prompt(language.get_attribute_questions())
+    language.set_attribute(attribute)
+    return answer.Answers(name=name, language=language)
 
 
 def load_joj1_yaml(yaml_path: Path) -> joj1.Config:
diff --git a/joj3_config_generator/main.py b/joj3_config_generator/main.py
index 2049475..8d18342 100644
--- a/joj3_config_generator/main.py
+++ b/joj3_config_generator/main.py
@@ -30,8 +30,6 @@ def create(
     Create a new JOJ3 task toml config file
     """
     answers = load_joj3_task_toml_answers()
-    answers_dict = answers.model_dump(mode="json", by_alias=True)
-    logger.debug(f"Got answers: {answers_dict}")
     task_model = create_joj3_task_conf(answers)
     result_dict = task_model.model_dump(
         mode="json", by_alias=True, exclude_none=True, exclude_unset=True
diff --git a/joj3_config_generator/models/answer.py b/joj3_config_generator/models/answer.py
index f29591d..b79aebf 100644
--- a/joj3_config_generator/models/answer.py
+++ b/joj3_config_generator/models/answer.py
@@ -1,16 +1,124 @@
+from abc import ABC, abstractmethod
 from enum import Enum
-from typing import List
+from typing import Any, ClassVar, Dict, List
 
-from pydantic import BaseModel
+import inquirer
+from pydantic import BaseModel, ConfigDict
 
 
-class StageEnum(str, Enum):
-    COMPILATION = "Compilation"
-    CPPCHECK = "Cppcheck"
-    CPPLINT = "Cpplint"
-    CLANG_TIDY = "Clang-Tidy"
+class LanguageInterface(ABC):
+    @abstractmethod
+    def __str__(self) -> str: ...
+
+    @abstractmethod
+    class Stage(str, Enum): ...
+
+    @abstractmethod
+    class Attribute(BaseModel): ...
+
+    stages: ClassVar[List[Enum]]
+    attribute: ClassVar[BaseModel]
+
+    @classmethod
+    def set_stages(cls, stages: List[str]) -> None:
+        cls.stages = [cls.Stage(stage) for stage in stages]
+
+    @classmethod
+    def set_attribute(cls, attribute_dict: Dict[str, Any]) -> None:
+        cls.attribute = cls.Attribute(**attribute_dict)
+
+    @classmethod
+    @abstractmethod
+    def get_attribute_questions(cls) -> List[Any]: ...
+
+
+class Cpp(LanguageInterface):
+    def __str__(self) -> str:
+        return "C++"
+
+    class Stage(str, Enum):
+        COMPILATION = "Compilation"
+        CPPCHECK = "Cppcheck"
+        CPPLINT = "Cpplint"
+        CLANG_TIDY = "Clang-Tidy"
+        RUN = "Run"
+
+    class Attribute(BaseModel):
+        compile_command: str = "make"
+        run_command: str = "./a.out"
+
+    stages = []
+    attribute = Attribute()
+
+    @classmethod
+    def get_attribute_questions(cls) -> List[Any]:
+        return [
+            inquirer.Text(
+                name="compile_command",
+                message="Compile command",
+                default=cls.attribute.compile_command,
+            ),
+            inquirer.Text(
+                name="run_command",
+                message="Run command",
+                default=cls.attribute.run_command,
+            ),
+        ]
+
+
+class Python(LanguageInterface):
+    def __str__(self) -> str:
+        return "Python"
+
+    class Stage(str, Enum):
+        RUN = "Run"
+
+    class Attribute(BaseModel):
+        run_command: str = "python3 main.py"
+
+    stages = []
+    attribute = Attribute()
+
+    @classmethod
+    def get_attribute_questions(cls) -> List[Any]:
+        return [
+            inquirer.Text(
+                name="run_command",
+                message="Run command",
+                default=cls.attribute.run_command,
+            ),
+        ]
+
+
+class Rust(LanguageInterface):
+    def __str__(self) -> str:
+        return "Rust"
+
+    class Stage(str, Enum):
+        COMPILATION = "Compilation"
+        CLIPPY = "Clippy"
+        RUN = "Run"
+
+    class Attribute(BaseModel):
+        pass
+
+    stages = []
+    attribute = Attribute()
+
+    @classmethod
+    def get_attribute_questions(cls) -> List[Any]:
+        return []
+
+
+LANGUAGES = [
+    Cpp(),
+    Python(),
+    Rust(),
+]
 
 
 class Answers(BaseModel):
     name: str
-    stages: List[str]
+    language: LanguageInterface
+
+    model_config = ConfigDict(arbitrary_types_allowed=True)
diff --git a/joj3_config_generator/transformers/answer.py b/joj3_config_generator/transformers/answer.py
index 0330a66..1b19bc2 100644
--- a/joj3_config_generator/transformers/answer.py
+++ b/joj3_config_generator/transformers/answer.py
@@ -1,6 +1,52 @@
+from typing import Any, Callable, Dict, List, Type
+
 from joj3_config_generator.models import answer, task
 
 
-# TODO: implement
 def get_task_conf_from_answers(answers: answer.Answers) -> task.Config:
-    return task.Config(task=task.Task(name=answers.name))
+    language = answers.language
+    transformer_dict = get_transformer_dict()
+    transformer = transformer_dict[type(language)]
+    stages = transformer(language)
+    return task.Config(task=task.Task(name=answers.name), stages=stages)
+
+
+def get_transformer_dict() -> Dict[
+    Type[Any],
+    Callable[[Any], List[task.Stage]],
+]:
+    return {
+        answer.Cpp: get_cpp_stages,
+        answer.Python: get_python_stages,
+        answer.Rust: get_rust_stages,
+    }
+
+
+# TODO: implement
+def get_cpp_stages(language: answer.Cpp) -> List[task.Stage]:
+    stages = language.stages
+    attribute: answer.Cpp.Attribute = language.attribute
+    task_stages = []
+    if answer.Cpp.Stage.CPPCHECK in stages:
+        task_stages.append(task.Stage(name=answer.Cpp.Stage.CPPCHECK))
+    if answer.Cpp.Stage.CPPLINT in stages:
+        task_stages.append(task.Stage(name=answer.Cpp.Stage.CPPLINT))
+    if answer.Cpp.Stage.CLANG_TIDY in stages:
+        task_stages.append(task.Stage(name=answer.Cpp.Stage.CLANG_TIDY))
+    if answer.Cpp.Stage.RUN in stages:
+        task_stages.append(task.Stage(name=answer.Cpp.Stage.RUN))
+    return task_stages
+
+
+# TODO: implement
+def get_python_stages(language: answer.Python) -> List[task.Stage]:
+    stages = language.stages
+    attribute: answer.Python.Attribute = language.attribute
+    return []
+
+
+# TODO: implement
+def get_rust_stages(language: answer.Rust) -> List[task.Stage]:
+    stages = language.stages
+    attribute: answer.Rust.Attribute = language.attribute
+    return []
diff --git a/tests/create/basic/answers.json b/tests/create/basic/answers.json
deleted file mode 100644
index d8fbbe7..0000000
--- a/tests/create/basic/answers.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "hw7 ex2",
-  "stages": ["Compilation"]
-}
diff --git a/tests/create/basic/task.toml b/tests/create/basic/task.toml
deleted file mode 100644
index b6b0557..0000000
--- a/tests/create/basic/task.toml
+++ /dev/null
@@ -1,2 +0,0 @@
-[task]
-name = "hw7 ex2"
diff --git a/tests/create/cpp/answers.json b/tests/create/cpp/answers.json
new file mode 100644
index 0000000..9f72f76
--- /dev/null
+++ b/tests/create/cpp/answers.json
@@ -0,0 +1,9 @@
+{
+  "name": "hw7 ex2",
+  "language": "C++",
+  "stages": ["Compilation", "Cppcheck", "Cpplint", "Clang-Tidy", "Run"],
+  "attribute": {
+    "compile_command": "make",
+    "run_command": "./ex2"
+  }
+}
diff --git a/tests/create/cpp/task.toml b/tests/create/cpp/task.toml
new file mode 100644
index 0000000..49c379f
--- /dev/null
+++ b/tests/create/cpp/task.toml
@@ -0,0 +1,18 @@
+[task]
+name = "hw7 ex2"
+
+[[stages]]
+name = "Cppcheck"
+cases = {}
+
+[[stages]]
+name = "Cpplint"
+cases = {}
+
+[[stages]]
+name = "Clang-Tidy"
+cases = {}
+
+[[stages]]
+name = "Run"
+cases = {}
diff --git a/tests/create/test_create_cases.py b/tests/create/test_create_cases.py
index 16c276d..bdb911a 100644
--- a/tests/create/test_create_cases.py
+++ b/tests/create/test_create_cases.py
@@ -1,5 +1,5 @@
 from tests.create.utils import load_case
 
 
-def test_basic() -> None:
-    load_case("basic")
+def test_cpp() -> None:
+    load_case("cpp")
diff --git a/tests/create/utils.py b/tests/create/utils.py
index 1cac87b..118e340 100644
--- a/tests/create/utils.py
+++ b/tests/create/utils.py
@@ -11,8 +11,11 @@ def load_case(case_name: str) -> None:
     root = Path(__file__).resolve().parent
     answers_json_path = root / case_name / "answers.json"
     task_toml_path = root / case_name / "task.toml"
-    answers = answer.Answers(**json.loads(answers_json_path.read_text()))
-    print(answers)
+    answers_dict = json.loads(answers_json_path.read_text())
+    language = next(x for x in answer.LANGUAGES if str(x) == answers_dict["language"])
+    language.set_stages(answers_dict["stages"])
+    language.set_attribute(answers_dict["attribute"])
+    answers = answer.Answers(name=answers_dict["name"], language=language)
     expected_result = rtoml.loads(task_toml_path.read_text())
     result = create_joj3_task_conf(answers).model_dump(
         mode="json", by_alias=True, exclude_none=True, exclude_unset=True