Generate a sentence that answers this question: "What is essential for a robot to possess to walk up a flight of stairs?".

Answer: a computer controls a robot
question: What sentence would provide a factual answer to this question: "If it's been twelve weeks since you put on shorts, and you notice today the hours of light and dark are just about equal, how long will it be until Winter?"

answer: a new season occurs once per three months
Problem: What is a random fact?

Answer: an animal knows how to do instinctive behaviors when it is born
Problem: Generate a sentence that contains a fact.

herbivores only eat plants
Problem: Generate a sentence that contains a fact.
Sentence: a consumer can not produce its own food
Problem: What is a random fact?

Answer:
a renewable resource can be replaced