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: A seismometer would be ineffective? Answer: on a star.

A: a seismometer is used to measure the strength or magnitude of an earthquake
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Q: Question: who would see better through an underground tunnel? Answer: a man with a candle and match.

A: a candle is a source of light when it is burned
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Q: Question: What have a negative impact on the environment? Answer: dumpyards.

A:
landfills have a negative impact on the environment
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