You are given a concept, and a list of answers. You should generate a question about the concept that leads to the given answer(s).

Q: concept: Lleyton Hewitt  answers:  ['Tennis player']

A: who is lleyton hewitt?
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Q: concept: Vietnam War  answers:  ['1960s']

A: what year did the vietnam war happen?
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Q: concept: North Korea  answers:  ['Kim Jong-un']

A:
who is ruling north korea now?
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