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.

[Q]: Question: Dinosaur carcasses are a form of? Answer: fuel.
[A]: oil is a source of energy

[Q]: Question: Who is in better shape? Answer: a body builder.
[A]: exercise has a positive impact on a human 's health

[Q]: Question: What material can be used to transmit power to a light bulb? Answer: metal.
[A]:
some light bulbs convert electricity into light and heat energy