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.

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

Output: 2009-01-20


Input: Consider Input: Questions: ['when was death valley found?', 'when was death valley founded?', 'when was it found national death valley park?', 'when death valley was found?', 'when was death valley founded in?', 'when was death valley national park found?']

Output: 1933-02-11


Input: Consider Input: Questions: ['on the mary tyler moore show what was murrays wife name?']


Output: marie slaughter