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

Ex Input:
Macroevolution happens when forces of evolution work over a long period of time.

Ex Output:
What happens when forces of evolution work over a long period of time?


Ex Input:
During the first year after birth, a baby called a(n) infant.

Ex Output:
During the first year after birth, what is a baby called?


Ex Input:
Sexually do invertebrates reproduce.

Ex Output:
How do invertebrates reproduce?