Помогите, пожалуйста, составить все 5 типов английских вопросов к этому предложению: Piaget is often believed to be a psychologist, but he actually was an epistemologist.

Piaget is often believed to be a psychologist, isn't he?

Who is often believed to be a psychologist?

Is Piaget often believed to be a psychologist or an epistemologist?

Why is Piaget believed to be a psychologist?

Is Piaget believed to be a psychologist?