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: under the constitution what was the first capital city of the us?

SOLUTION: which city was the first capital of the us?

PROBLEM: Question: what is the name of the river that flows through niger mali and nigeria?

SOLUTION: what river flows through mali niger and nigeria?

PROBLEM: Question: what years did world war1 take place in?

SOLUTION:
world war1 took place when?