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: Which is a byproduct of a lightbulb? Answer: warmth.
[EX A]: an incandescent light bulb converts electricity into heat by sending electricity through a filament

[EX Q]: Question: Where would a sand dune be out of the ordinary? Answer: Kansas.
[EX A]: sand dunes are made of sand

[EX Q]: Question: Cactus house a great amount of? Answer: chlorophyll.
[EX A]:
a plant cell contains chloroplasts