TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: Covalent solutes separate into individual molecules when dissolved.

SOLUTION: Covalent solutes separate into what when dissolved?

PROBLEM: The cerebellum of the brain lies under the cerebrum and behind the brain stem.

SOLUTION: What part of the brain lies under the cerebrum and behind the brain stem?

PROBLEM: Voltage is continuously changing within a circuit in an analog signal.

SOLUTION:
What is continuously changing within a circuit in an analog signal?