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

Ex Input:
Cells have four cycles.

Ex Output:
How many cycles do cells have?


Ex Input:
Biodiversity is the term for the measurement of the amount of variation of species in a given area.

Ex Output:
What is the term for the measurement of the amount of variation of species in a given area?


Ex Input:
Vaccine is a preventative measure that is often delivered by injection into the arm.

Ex Output:

What preventative measure is often delivered by injection into the arm?