Problem: Generate a sentence that contains a fact.
Sentence: an animal requires oxygen for to breathe
Problem: Randomly generate a fact.

Random fact: if a mineral can be scratched by a fingernail then that mineral is soft
Generate a sentence that answers this question: "Wax is on some plant leaves for what reason?".

Answer: usually plants store the food they produce for future use
question: What sentence would provide a factual answer to this question: "If you flick an empty glass of water with your finger it will"

answer: vibrating matter can produce sound
Problem: What is a random fact?

Answer: boiling is when liquids are heated above their boiling point
Problem: Generate a sentence that contains a fact.
Sentence:
some deep lakes are formed by glaciers