Problem: What is a random fact?

Answer: a prism refracts light
Problem: Generate a sentence that contains a fact.

if one mineral can scratch another mineral then that other mineral is softer than that one mineral
Problem: Generate a sentence that contains a fact.
Sentence: tuna eat fish
Problem: Randomly generate a fact.

Random fact: something in a cold place becomes cold
Generate a sentence that answers this question: "A mighty river flows through an area for millennia. Afterwards, it can be noted that where there once were shallow rivers, there are now".

Answer: most canyons are formed by flowing rivers through erosion over long periods of time
Generate a sentence that answers this question: "Trees are mulched and liquefied before being dried to make".

Answer:
creating paper requires cutting down trees