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

Ex Input:
Stimulation of triglyceride breakdown is the first direct action of growth hormone.

Ex Output:
What is the first direct action of growth hormone?


Ex Input:
In the tropics tradewinds are the prevailing winds called.

Ex Output:
In the tropics what are the prevailing winds called?


Ex Input:
Range is the maximum horizontal distance traveled by a projectile.

Ex Output:
What is the maximum horizontal distance traveled by a projectile?