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

Q: If the amount of force of that is applied is increased, it is easier happens to the work that a machine is producing.

A: If the amount of force of that is applied is increased, what happens to the work that a machine is producing?
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Q: Simple carbohydrates can be classified in terms of chain length.

A: Which carbohydrates can be classified in terms of chain length?
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Q: In triploblastic type of animals may a body cavity be present or absent.

A:
In what type of animals may a body cavity be present or absent?
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