question: What sentence would provide a factual answer to this question: "How can it be shown that an electrical conductor is a vehicle for the flow of electricity?"

answer: An electrical conductor is a vehicle for the flow of electricity
Problem: What is a random fact?

Answer: An example of hunting is an otter cracking open clams with a rock
Problem: Generate a sentence that contains a fact.

jet streams may deflect the air masses moved by the prevailing westerlies
Problem: Generate a sentence that contains a fact.
Sentence: ethanol sometimes is made of corn
Problem: Randomly generate a fact.

Random fact: an animal requires warmth for survival
question: What sentence would provide a factual answer to this question: "What is safest to breathe around?"

answer:
a windmill does not create pollution