TASK DEFINITION: In this task, you're given an ambiguous question (which can be answered in more than one way). Your task is to write a question that clarifies the given question in such a way that the generated question has one unique answer.
PROBLEM: What type of breed is an american bulldog?

SOLUTION: What size breed is an american bulldog?

PROBLEM: When do they find the prison in walking dead?

SOLUTION: What season do they find the prison in walking dead?

PROBLEM: What is the diameter of the earth in km?

SOLUTION:
What is the equatorial diameter of the Earth in km?