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: ['what century did william duke of normandy rule?']

Ex Output:
10xx


Ex Input:
Questions: ["what age was the prophet muhammad's first wife?"]

Ex Output:
65 years


Ex Input:
Questions: ["what is barack obama's year elected?"]

Ex Output:

2008