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: Who played the bird lady in mary poppins?

SOLUTION: Who played the bird lady in the Mary Poppins film?

PROBLEM: When did a/c first appear in homes?

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

PROBLEM: What airline has its hub in charlotte nc?

SOLUTION:
What major airline has its hub in charlotte nc?