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.

Example Input: Questions: ['when did thomas edison second wife die?']
Example Output: 1947-08-24

Example Input: Questions: ['when did barrack obama president was it 2009 or 2008?', 'at what time barack obama become us president?']
Example Output: 2009-01-20

Example Input: Questions: ['what is the gdp for us 2011?']
Example Output:
15,520,000,000,000 us dollar