Problem: Generate a sentence that contains a fact.
Sentence: gravitational force causes objects that have mass to be pulled down on a planet
Problem: Randomly generate a fact.

Random fact: a cavern is formed by carbonic acid in groundwater seeping through rock and dissolving limestone
Generate a sentence that answers this question: "An example of a chemical change is acid breaking down substances, another is".

Answer: An example of a chemical change is acid breaking down substances
question: What sentence would provide a factual answer to this question: "As a lake increases in size, there are more"

answer: as water increases in an environment , the population of aquatic animals will increase
Problem: What is a random fact?

Answer: An example of recycling is using an object to make a new object
Problem: Generate a sentence that contains a fact.
Sentence:
the floating arrow on a compass always points towards the north