instruction:
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.
question:
Where did the bristol stool chart come from?
answer:
Which institution did the bristol stool chart come from?


question:
Who was the leader of the revolt of 1857 in bihar?
answer:
What is the given name of the leader of the revolt of 1857 in Bihar?


question:
Who played bobby c in saturday night fever?
answer:

Who played bobby c in the film saturday night fever?