Problem: Generate a sentence that contains a fact.

An example of a change in the Earth is an ocean becoming a wooded area
Problem: Generate a sentence that contains a fact.
Sentence: smell is used for finding food by some animals
Problem: Randomly generate a fact.

Random fact: some adult animals lay eggs
Generate a sentence that answers this question: "Imagine astronauts traveling to a distant asteroid as it passes near Earth. During their mission they leave behind boot prints. How long will these potentially last?".

Answer: wind and rain cause erosion
question: What sentence would provide a factual answer to this question: "A person paints a white door a different color, so the door is probably now"

answer: painting an object a color causes that object to be that color
Problem: Randomly generate a fact.

Random fact:
pollution is a source of pollutants