TASK DEFINITION: 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.
PROBLEM: Questions: ['zip code for big ben london england?']

SOLUTION: sw1a 0aa

PROBLEM: Questions: ["what was barack obama's age when he married michelle obama?"]

SOLUTION: 31 years

PROBLEM: Questions: ['what year did wylie draper die?', 'when wylie draper died?', 'when did wylie draper die?']

SOLUTION:
1993-12-20