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.

Ex Input:
Questions: ['when did they discovered the planet mercury?']

Ex Output:
-0264

Ex Input:
Questions: ['what date did napoleon die on?', 'when did napoleon bonaparte die?', 'when did napoleon die?', 'napoleon death?']

Ex Output:
1821-05-05

Ex Input:
Questions: ['when dis israel become a state?', 'when was israel an independent state?']

Ex Output:
1948-05-14