Problem: Generate a sentence that contains a fact.
Sentence: a dense forest environment is often dark in color
Problem: Randomly generate a fact.

Random fact: mining changes an ecosystem
Generate a sentence that answers this question: "Many animals that give birth to live young have".

Answer: mammals give birth to live young
question: What sentence would provide a factual answer to this question: "With a ruler I can measure"

answer: a ruler is used for measuring the length of an object
Problem: What is a random fact?

Answer: strumming a string can cause that string to vibrate
Problem: Generate a sentence that contains a fact.
Sentence:
alligators eat fish