instruction:
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:
Question: which of these is an accurate scenario? Answer: the earth traveling around the sun.
answer:
planets orbit stars


question:
Question: Saturday and Sunday together are? Answer: 48 hours.
answer:
one day is equal to 24 hours


question:
Question: What's a good way to heat up inside after ice skating on a frozen lake? Answer: set fire to some natural gas.
answer:

natural gas is a source of heat by burning