Problem: Generate a sentence that contains a fact.
Sentence: phase changes do not change mass
Problem: Randomly generate a fact.

Random fact: shivering is when an animal creates heat by shaking to keep the body warm
Generate a sentence that answers this question: "A car converts gasoline into motion and heat through what?".

Answer: a car engine usually converts gasoline into motion and heat through combustion
question: What sentence would provide a factual answer to this question: "Some humans live in what?"

answer: some humans live in houses
Problem: What is a random fact?

Answer: pollination requires pollinating animals
Problem: Generate a sentence that contains a fact.
Sentence:
An example of protecting the environment is creating protected areas