In this task, you are given a fact statement and question based on the fact. Your task is to generate the correct answer for the question. The answer needs to be generated using the context fact statement.

Q: Fact: carnivores only eat animals. Question: Carnivores' only source of what comes from other animals?

A: sustenance
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Q: Fact: an oven is a source of heat. Question: during the winter, a man's central heating stops functioning. Which of these could be a lifeline?

A: leaving the oven lid open
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Q: Fact: a complete revolution of the Earth around the sun takes one solar year. Question: In a year there is a complete revolution around a?

A:
star
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