TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: Tornadoes can occur in any.

SOLUTION: At what time of the year can tornadoes occur?

PROBLEM: Hand lens tool should a student use to see the patterns on a small object.

SOLUTION: Which tool should a student use to see the patterns on a small object?

PROBLEM: A redox reaction rearranges the subatomic particles known as electrons.

SOLUTION:
A redox reaction rearranges what subatomic particles?