Given a fact, create a question that can be answered using the fact. Construct the question such that it is unambiguous, has a unique answer and the answer can be given using the fact.
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Question: Fact: pushing a button sometimes completes a circuit

Answer: A television may turn on at the push of a button because?


Question: Fact: living things live in their habitat

Answer: What lives in their habitat?


Question: Fact: sediment is formed by weathering

Answer:
A tiny sand particle came from?