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: glass crystals will cause light to? Answer: deflect.
[EX A]: objects made of glass cause refraction of light

[EX Q]: Question: Single cell organisms can put an animal in the? Answer: emergency room.
[EX A]: bacteria can cause people to become ill

[EX Q]: Question: What will air usually do when heated up beyond a certain point? Answer: it will ascend.
[EX A]:
if gas is heated then that gas will rise