Problem: Generate a sentence that contains a fact.
Sentence: sweat is used for adjusting to hot temperatures by some animals
Problem: Randomly generate a fact.

Random fact: tapping two objects together causes the particles in those objects to vibrate
Generate a sentence that answers this question: "if a beach ball explodes, which of these would be given off?".

Answer: a beach ball contains gas
question: What sentence would provide a factual answer to this question: "energy is required for survival, and this is primarily delivered by"

answer: the sun is the source of energy for life on Earth
Problem: What is a random fact?

Answer: the circulatory system carries oxygen from the digestive and respiratory systems to the rest of the body
Problem: Generate a sentence that contains a fact.
Sentence:
the length of the hair of an animal is an acquired characteristic