Problem: Generate a sentence that contains a fact.

electricity causes less pollution than gasoline
Problem: Generate a sentence that contains a fact.
Sentence: shelter can protect animals from weather
Problem: Randomly generate a fact.

Random fact: An example of navigation is directing a boat
Generate a sentence that answers this question: "You can find what on the crust of earth".

Answer: the crust is a layer of the Earth
question: What sentence would provide a factual answer to this question: "If you flick an empty glass of water with your finger it will"

answer: vibrating matter can produce sound
Problem: Randomly generate a fact.

Random fact:
Matter in the liquid phase has variable shape