TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: Warm and humid temperature and moisture conditions describe an air mass that originates over the atlantic ocean near the equator.

SOLUTION: Which temperature and moisture conditions describe an air mass that originates over the Atlantic Ocean near the equator?

PROBLEM: Water plus other substances makes a(n) solution.

SOLUTION: Water plus other substances makes what?

PROBLEM: Carcinogens kind of potentially harmful compounds can barbecuing food create.

SOLUTION:
What kind of potentially harmful compounds can barbecuing food create?