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

[EX Q]: Destructive interference in waves occurs two troughs what things overlap.
[EX A]: Destructive interference in waves occurs when what things overlap?

[EX Q]: By using fructose can you prevent your ice cream from getting a sandy texture.
[EX A]: How can you prevent your ice cream from getting a sandy texture?

[EX Q]: Range is the maximum horizontal distance traveled by a projectile.
[EX A]:
What is the maximum horizontal distance traveled by a projectile?