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

Ex Input:
Unicellular eukaryotes are protists normally.

Ex Output:
What type of eukaryotes are protists normally?


Ex Input:
Matter that mechanical wave energy can only travel through is medium.

Ex Output:
What is the name of matter that mechanical wave energy can only travel through?


Ex Input:
A small quake preceding a large quake is called foreshock.

Ex Output:

A small quake preceding a large quake is called what?