Given a fact, create a question that can be answered using the fact. Construct the question such that it is unambiguous, has a unique answer and the answer can be given using the fact.

Ex Input:
Fact: pollution is when humans pollute the environment with pollutants

Ex Output:
Pollution is?

Ex Input:
Fact: paper is recyclable

Ex Output:
Books can be made out of?

Ex Input:
Fact: as the available water in an environment increases , the populations of organisms in that environment will increase

Ex Output:
To aid in increasing the population of an organism in an environment?