Problem: Generate a sentence that contains a fact.
Sentence: if an organism dies then the population of that organism will decrease
Problem: Randomly generate a fact.

Random fact: melting point means temperature at which a solid melts
Generate a sentence that answers this question: "Which likely is using its circulatory system?".

Answer: the circulatory system brings oxygen from the lungs to the rest of the body
question: What sentence would provide a factual answer to this question: "the closest star to our planet delivers solar energy to the planet"

answer: the solar system contains the moon
Problem: What is a random fact?

Answer: the sun setting occurs once per day
Problem: Generate a sentence that contains a fact.
Sentence:
something reusable can be used more than once