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

Ex Input:
Water leaves ponds and lakes through evaporation and also as outflow.

Ex Output:
Water leaves ponds and lakes through evaporation and also as what?


Ex Input:
Age causes reduction of elasticity in all organs.

Ex Output:
What causes reduction of elasticity in all organs?


Ex Input:
Sample part of an experiment or other investigation consists of the individuals or events that are studied.

Ex Output:

What part of an experiment or other investigation consists of the individuals or events that are studied?