Problem: Generate a sentence that contains a fact.
Sentence: the sun is the source of energy for physical cycles on Earth
Problem: Randomly generate a fact.

Random fact: if a habitat is removed then that habitat is destroyed
Generate a sentence that answers this question: "A thing which is a producer in the food chain is most likely to be a".

Answer: producer is a kind of role in the food chain process
question: What sentence would provide a factual answer to this question: "You may use a tree to"

answer: trees are a renewable resource
Problem: What is a random fact?

Answer: muscles pull bones to move the bones
Problem: Generate a sentence that contains a fact.
Sentence:
lighting a candle causes that candle to burn