Problem: Generate a sentence that contains a fact.

a scale is used for measuring weight
Problem: Generate a sentence that contains a fact.
Sentence: the Earth revolves around the sun
Problem: Randomly generate a fact.

Random fact: an incandescent light bulb converts electricity into heat by sending electricity through a filament
Generate a sentence that answers this question: "What is a greenhouse?".

Answer: a greenhouse is used to protect plants by keeping them warm
question: What sentence would provide a factual answer to this question: "Which is likely to be a step in a shrub's reproductive process?"

answer: pollination requires pollinating animals
Problem: Randomly generate a fact.

Random fact:
pushing an object requires force