TASK DEFINITION: Given a question, generate a paraphrase of that question wihout changing the meaning of it. Your answer should reword the given sentence, but not add information to it or remove information from it. The answer to your question should be the same as the answer to the original question.
PROBLEM: Question: when did frederick banting get his nobel prize?

SOLUTION: when did frederick banting receive the nobel prize for discovering insulin?

PROBLEM: Question: which four vice presidents took over the office of president for the ones who were assassinated?

SOLUTION: who are the vice presidents that took over because the president died?

PROBLEM: Question: which country whose neighbors are brazil bolivia and argentina?

SOLUTION:
what countryboarders brazil bolivia and argentina?