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.
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Question: Who is the leader of the senate 2018?

Answer: Who was the majority leader of the senate in 2018?


Question: Who were the first european to reach the americas and when did they arrive?

Answer: Who were the first Europeans to reach the Americas?


Question: Last cat 4 hurricane to hit puerto rico?

Answer:
Last cat 4 hurricane or stronger to hit puerto rico as of 2017?