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.

Question: a lack of illumination would result in which of these? Answer: a student unable to view what he is writing.
eyes are used for seeing by animals by sensing light

Question: glass crystals will cause light to? Answer: deflect.
objects made of glass cause refraction of light

Question: What is most likely to occur before a rainstorm? Answer: atmospheric water droplets collide.

precipitation is when water falls from the sky