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.

Question: riding a bike helps prevent? Answer: environment harm.
riding a bike does not cause pollution

Question: A typhoon can potentially cause? Answer: overflowing wetness.
heavy rains cause flooding

Question: Using your electronic that uses batteries for long periods of time makes them get very hot to the touch,  which makes it a? Answer: source of warmth.

a hot substance is a source of heat