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 Q]: Question: The leaves of a plant benefit from? Answer: sun.
[EX A]: chlorophyll is used for absorbing light energy by plants

[EX Q]: Question: How many times does the Earth complete a revolution around the sun in a decade? Answer: ten.
[EX A]: a complete revolution of the Earth around the sun takes one solar year

[EX Q]: Question: A computer needs what to be functional? Answer: positive ions.
[EX A]:
electric devices require electrical energy to function