Problem: Generate a sentence that contains a fact.

pollution is a source of pollutants
Problem: Generate a sentence that contains a fact.
Sentence: the moon 's surface contains many craters
Problem: Randomly generate a fact.

Random fact: adding heat to something kills viruses in that something
Generate a sentence that answers this question: "What's a good way to heat up inside after ice skating on a frozen lake?".

Answer: natural gas is a source of heat by burning
question: What sentence would provide a factual answer to this question: "Erosion can make a source of H2O"

answer: erosion causes a river to become deeper and wider
Problem: Randomly generate a fact.

Random fact:
height is an inherited characteristic