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.

Q: Question: objects made of what cause refraction of light? Answer: melted sand.

A: objects made of glass cause refraction of light
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Q: Question: School children often play a musical instrument by? Answer: sweeping thumb across elastic band over a beverage carton.

A: An example of playing a musical instrument is strumming a guitar string
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Q: Question: if weather is stormy then there is a greater chance of? Answer: everything getting wet.

A:
if weather is stormy then there is a greater chance of rain
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