TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: Pangaea began breaking apart 250 million years ago.

SOLUTION: How many millions of years ago did pangaea begin breaking apart?

PROBLEM: Windchill describes what the temperature feels like when the wind is taken into account.

SOLUTION: What weather term describes what the temperature feels like when the wind is taken into account?

PROBLEM: It is slow is said about the speed of rotation in systems that create tornadoes.

SOLUTION:
What is said about the speed of rotation in systems that create tornadoes?