question: What sentence would provide a factual answer to this question: "Which of these is lacks molecules?"

answer: matter is made of molecules
Problem: What is a random fact?

Answer: if an object reflects light toward the eye then that object can be seen
Problem: Generate a sentence that contains a fact.

if one electrical conductor contacts another electrical conductor then electricity will flow through both conductors
Problem: Generate a sentence that contains a fact.
Sentence: the Earth contains many ecosystems
Problem: Randomly generate a fact.

Random fact: An example of a seasonal change is an animal growing thick fur for keeping warm in the winter
question: What sentence would provide a factual answer to this question: "What are some of the risks of using fertilizer?"

answer:
fertilizers are a source of pollution