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

Q: Water, air, and milk list includes only examples of matter that can take the shape of a container.

A: Which list includes only examples of matter that can take the shape of a container?
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Q: In a carbon triple bond, three pairs of electrons are shared.

A: In a carbon triple bond, how many pairs of electrons are shared?
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Q: We call the only light that people can see visible light.

A:
What do we call the only light that people can see?
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