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 did the canucks get in the draft?

SOLUTION: Who did the Canucks get in the 2017 draft?

PROBLEM: When did the facebook messenger app come out?

SOLUTION: When was the facebook messenger app originally developed as Facebook Chat?

PROBLEM: When did the mayflower come over to america?

SOLUTION:
When did the Mayflower set sail for present-day America?