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:
What are the two types of mixtures in science?
answer:
What is the type of mixtures in science in which its constituents are distributed uniformly?


question:
Who does lady gaga play in american horror story?
answer:
Who does Lady Gaga play in American Horror Story: Hotel?


question:
Who is singing at the nba all star weekend?
answer:

Who is singing at the nba all star weekend in 2017?