Given a question and its paraphrases, answer the question. The answer should exactly answer all the questions given without any ambiguity. Don't give partial answers.

Q: Questions: ['in what year did canada join the united nations?', 'what did canada join the united nations?', 'what year did canada join the united nations?']

A: 1945-10-24
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Q: Questions: ['when did barrack obama president was it 2009 or 2008?', 'at what time barack obama become us president?']

A: 2009-01-20
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Q: Questions: ['who is jesse mcartney currently dating?', 'who is jesse mcartney dating?', "who is jesse mcartney's girlfriend?"]

A:
katie peterson
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