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

Ex Input:
Water contains 3 atoms.

Ex Output:
How many atoms does water contain?


Ex Input:
Plasma matter makes up most of the universe.

Ex Output:
What type of matter makes up most of the universe?


Ex Input:
Single-celled organisms are prokaryotes.

Ex Output:

What kind of organisms are prokaryotes?