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 got the biggest nba contract right now?

SOLUTION: Who has the biggest nba contract salary in the 2016-2017 season?

PROBLEM: Who owns the clift hotel in san francisco?

SOLUTION: Who first owned the Clift Royal Sonesta Hotel?

PROBLEM: When did the english start using the longbow?

SOLUTION:
In what century did the English start using the Longbow?