In this task, you are given a fact statement and question based on the fact. Your task is to generate the correct answer for the question. The answer needs to be generated using the context fact statement.

[Q]: Fact: each of the moon 's phases usually occurs once per month. Question: A boy is waiting to see a full moon. He notes that the full moon is tonight, and looks at it. If he wants to see another, he must wait?
[A]: a month


[Q]: Fact: a plateau is formed by a buildup of cooled lava. Question: A bunch of lava that is sitting somewhere could create on its own?
[A]: a flat raised area


[Q]: Fact: echo is when sound reflects off of a surface. Question: Where would you hear sound reflecting off surfaces?
[A]:
canyon