Generate a sentence that answers this question: "Wide tree rings mean".

Answer: as the amount of available water decreases , tree-growth rings will become narrower
question: What sentence would provide a factual answer to this question: "Gills are used to breath water by what?"

answer: gills are used for breathing water by aquatic animals
Problem: What is a random fact?

Answer: if the amount of available food and water decreases in an environment then animals may leave that environment to find food and water
Problem: Generate a sentence that contains a fact.

as the amount of food an animal eats decreases , that organism will become thinner
Problem: Generate a sentence that contains a fact.
Sentence: a forest environment is often green in color
Problem: What is a random fact?

Answer:
plants are the source of spices