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

Ex Input:
The location of an object in a frame of reference is called position.

Ex Output:
The location of an object in a frame of reference is called what?


Ex Input:
Fungi is the major cause of disease in agricultural crops.

Ex Output:
What is the major cause of disease in agricultural crops?


Ex Input:
Air pollution causes acid rain, ozone depletion, and global warming.

Ex Output:

What causes acid rain, ozone depletion, and global warming?