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: what is the longest river in the us?
what is longest river in the us?

Question: world series winners in 1994?
who won the world series in 1994?

Question: what bridge lies between san francisco and marin county california?

what bridge is between marin county california and san francisco?