question: What sentence would provide a factual answer to this question: "A bear's blubber"

answer: fat is used to keep animals warm
Problem: What is a random fact?

Answer: electrical insulation requires wrapping a conductor in an insulator
Problem: Generate a sentence that contains a fact.

ethanol sometimes is made of corn
Problem: Generate a sentence that contains a fact.
Sentence: tinted lenses reflect ultraviolet rays
Problem: Randomly generate a fact.

Random fact: the circulatory system carries oxygen from the digestive and respiratory systems to the rest of the body
question: What sentence would provide a factual answer to this question: "A polar bear is white because"

answer:
the coloration of fur is an inherited characteristic