In this task, you are given a question and a corresponding answer. Your task is to generate a fact statement that is useful in answering the given question.

Ex Input:
Question: Which of these could be a reason why the stars seem to be in a different place at dusk than at dawn? Answer: rotation of the earth.

Ex Output:
the Earth rotating on its axis causes stars to appear to move across the sky at night

Ex Input:
Question: As the use of alt fuels increases, the use of what will decrease? Answer: fuels of the non reuse type power.

Ex Output:
something reusable can be used more than once

Ex Input:
Question: Where would you find a tool containing cylindrical ferrous material? Answer: at a junkyard.

Ex Output:
an electromagnet contains cylindrical ferrous metal