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 was the first actress to win back to back oscars?

SOLUTION: who was the first actress to win a back to back oscar?

PROBLEM: Question: what mountain range separates the siberian peninsula from the rest of europe?

SOLUTION: which mountain range is the siberian peninsula isolated from the rest of europe?

PROBLEM: Question: what country claimed alaska before the us?

SOLUTION:
who owned alaska prior to us?