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

Ex Input:
Hydras and sea anemones are examples of apolyp.

Ex Output:
Hydras and sea anemones are examples of what form?

Ex Input:
Three many pairs of autosomes are there.

Ex Output:
How many pairs of autosomes are there?

Ex Input:
Breathing control is only effective if ventilation is matched to blood flow through alveolar capillaries.

Ex Output:
What is only effective if ventilation is matched to blood flow through alveolar capillaries?