Problem: What is a random fact?

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

the circulatory system carries oxygen from the digestive and respiratory systems to the rest of the body
Problem: Generate a sentence that contains a fact.
Sentence: seasonal changes are made in response to changes in the environment
Problem: Randomly generate a fact.

Random fact: strumming a string can cause that string to vibrate
Generate a sentence that answers this question: "There are very few species of plants and animals in places like the North Pole because the temperatures are always very".

Answer: cold environments contain few organisms
Generate a sentence that answers this question: "A thing that is weathered from a large item to tiny items has existed for an amount of time over between".

Answer:
weathering usually occurs over a period of many years