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: When did a/c first appear in homes?

SOLUTION: When did the first a/c unit appear in a home?

PROBLEM: Why would a recrystallization need to be done?

SOLUTION: Why would recrystallization need to be done in chemistry?

PROBLEM: How many episodes of house of cards this season?

SOLUTION:
How many episodes are in House of Cards season 5?