question: What sentence would provide a factual answer to this question: "What could be used to find out how much carpet is needed for a room?"

answer: a tape measure is used to measure distance
Problem: What is a random fact?

Answer: non-contact forces can affect objects that are not touching
Problem: Generate a sentence that contains a fact.

something in a cold place becomes cold
Problem: Generate a sentence that contains a fact.
Sentence: metal is an electrical energy conductor
Problem: Randomly generate a fact.

Random fact: microorganisms cause food to spoil
question: What sentence would provide a factual answer to this question: "A source of heat could be"

answer:
a radiator is a source of heat