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

Input: Consider Input: Constructive interference is when two waves combine to create a larger wave.

Output: What is it called when two waves combine to create a larger wave?


Input: Consider Input: Protist diseases in humans are caused by protozoa.

Output: What type of diseases in humans are caused by protozoa?


Input: Consider Input: Rod is the general shape of centrioles.
Output: What is the general shape of centrioles?