TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: Gabbro is a dark dense rock that can be found in the oceanic crust.

SOLUTION: Gabbro is a dark dense rock that can be found in what?

PROBLEM: Are humans a new or old species on the earth?

SOLUTION: Are humans a new or old species on the earth?

PROBLEM: A squirrel storing nuts is preparing for a seasonal change in the environment.

SOLUTION:
Which animal is preparing for a seasonal change in the environment?