instruction:
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.
question:
Question: in which city was obama born?
answer:
where barack obama was born?


question:
Question: when did thomas edison's second wife mina miller die?
answer:
when did thomas edisons wife mina miller die?


question:
Question: what river forms part of the border of texas and oklahoma?
answer:

which river forms the border between oklahoma and texas?