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

Ex Input:
Trichomoniasis is cause by a protozoa.

Ex Output:
Trichomoniasis is cause by what type of pathogen?


Ex Input:
Chewing insects such as dragonflies and grasshoppers have two many sets of jaws.

Ex Output:
Chewing insects such as dragonflies and grasshoppers have how many sets of jaws?


Ex Input:
The chemistry of each element is determined by its number of protons and electrons.

Ex Output:
The chemistry of each element is determined by its number of what?