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 named the seven wonders of the world?

SOLUTION: Who named six of the seven wonders of the world around 100 BC?

PROBLEM: Where is eurovision 2018 going to be held?

SOLUTION: Where is the venue the eurovision 2018 going to be held?

PROBLEM: When did scotland become part of the union?

SOLUTION:
When did scotland become part of the union due to the Treaty of Union?