question: What sentence would provide a factual answer to this question: "Rain and what cause erosion?"

answer: wind and rain cause erosion
Problem: What is a random fact?

Answer: Earth orbiting the Sun causes seasons to change
Problem: Generate a sentence that contains a fact.

a canyon is made of rocks
Problem: Generate a sentence that contains a fact.
Sentence: friction causes the speed of an object to decrease
Problem: Randomly generate a fact.

Random fact: reproduction produces offspring
question: What sentence would provide a factual answer to this question: "Extinction is the term for an organism which..?"

answer:
if a population decreases to zero then that organism is extinct