Problem: Generate a sentence that contains a fact.

breath contains water vapor
Problem: Generate a sentence that contains a fact.
Sentence: oil is a source of gasoline
Problem: Randomly generate a fact.

Random fact: seeing is used for sensing visual things
Generate a sentence that answers this question: "A switch is used to stop the flow of currents which causes Joule heating in".

Answer: a switch is used to stop the flow of current in an electrical circuit
question: What sentence would provide a factual answer to this question: "Flowers make themselves attractive to hummingbirds with"

answer: when pollen sticks to a hummingbird , that pollen will move to where the hummingbird moves
Problem: Randomly generate a fact.

Random fact:
reproduction produces offspring