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: who wrote the song you believe by brooks and dunn?

SOLUTION: who wrote the brooks and dunn song you believe?

PROBLEM: Question: what is the biggest metro area in canada?

SOLUTION: what is canadas largest metro area?

PROBLEM: Question: what are the two rivers that flow trough portugal?

SOLUTION:
which river flows through portugal?