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

Input: Consider Input: Ice masses, acquifers, and the deep ocean are examples of water reservoirs.

Output: Ice masses, acquifers, and the deep ocean are examples of water what?


Input: Consider Input: Cells are the  basic building blocks of the human body.

Output: What are the  basic building blocks of the human body?


Input: Consider Input: The color of the powder of a mineral is called streak.
Output: What is the color of the powder of a mineral called?