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.
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Question: Questions: ['when was joe biden elected for being a senator of deleware?']

Answer: 1972


Question: Questions: ['what age did anna frank die at?', 'at what age did anne frank die?']

Answer: 16 years


Question: Questions: ['when did the us first invade japan?']

Answer:
1945-08-06