TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: The pressure of ocean water increases rapidly as the water gets deeper.

SOLUTION: What property of ocean water increases rapidly as the water gets deeper?

PROBLEM: Carbon 14 isotope of carbon is typically used to date ancient items.

SOLUTION: What isotope of carbon is typically used to date ancient items?

PROBLEM: Helium-3 is produced by beta decay of a certain nuclide.

SOLUTION:
Helium-3 is produced by beta decay of a certain what?