TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: The combustion of propane gas produces carbon dioxide and water vapor.

SOLUTION: The combustion of propane gas produces carbon dioxide and what else?

PROBLEM: Three many pairs of autosomes are there.

SOLUTION: How many pairs of autosomes are there?

PROBLEM: Seismic waves prove the inner core it is solid.

SOLUTION:
What do seismic waves prove about the inner core?