question: What sentence would provide a factual answer to this question: "What is undesirable in a vegetable garden?"

answer: if a weed is pulled then that weed is destroyed
Problem: What is a random fact?

Answer: if two animals have the same food source then those two animals compete for food
Problem: Generate a sentence that contains a fact.

a sandbar is formed by water moving sediment downstream
Problem: Generate a sentence that contains a fact.
Sentence: cooking food to proper temperatures protects against food poisoning by killing bacteria and viruses
Problem: Randomly generate a fact.

Random fact: an plant requires food for survival
question: What sentence would provide a factual answer to this question: "In the intermediary before rain falls, observers may note"

answer:
grey clouds appear before precipitation