Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

Q: Oxygen gas is given off by plants.

A: Which gas is given off by plants?
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Q: Poles parts of the planet does solar energy have difficulty reaching.

A: What parts of the planet does solar energy have difficulty reaching?
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Q: Brain and eyes are the organs work together to allow us to see.

A:
What are the organs work together to allow us to see?
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