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

[EX Q]: After fertilization, a zygote forms into two cells.
[EX A]: After fertilization, how many cells does a zygote form into?

[EX Q]: Neutrophils provide an early, rapid, and nonspecific defense against invading pathogens.
[EX A]: What provides an early, rapid, and nonspecific defense against invading pathogens?

[EX Q]: Food is glucose used for the bacteria.
[EX A]:
What is glucose used for the bacteria?