Problem: Generate a sentence that contains a fact.
Sentence: biofuel is used to produce electricity by burning
Problem: Randomly generate a fact.

Random fact: if an object is exposed to a source of heat then that conductor may become hot
Generate a sentence that answers this question: "A way to conserve something is to".

Answer: An example of conservation is not using fossil fuel
question: What sentence would provide a factual answer to this question: "What would be an example of migration?"

answer: An example of migration is birds flying south in the winter
Problem: What is a random fact?

Answer: natural gas is a source of heat by burning
Problem: Generate a sentence that contains a fact.
Sentence:
electricity can not flow through an open circuit