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: the moon is lacking what? Answer: h2o.

A: the moon does not contain water
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Q: Question: An example of migration is? Answer: when flocks relocate.

A: An example of migration is birds flying south in the winter
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Q: Question: An example of a living thing needing respiration in order to efficiently use energy is? Answer: a murder of crows.

A:
living things require respiration to use energy
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