TASK DEFINITION: In this task, you are given a question and a corresponding answer. Your task is to generate a fact statement that is useful in answering the given question.
PROBLEM: Question: Convection is caused by uneven what? Answer: warmness distribution.

SOLUTION: uneven heating causes convection

PROBLEM: Question: An early example of harnessing wind power would be? Answer: cloth on masts.

SOLUTION: wind is a source of energy

PROBLEM: Question: pushing on the pedals of a bike cause that bike to gain? Answer: kinetic motion.

SOLUTION:
pushing on the pedals of a bike cause that bike to move