Generate a sentence that answers this question: "What is often brackish in an estuary?".

Answer: water is often brackish in an estuary
question: What sentence would provide a factual answer to this question: "If a liquid disappears then that liquid probably did what?"

answer: if a liquid disappears then that liquid probably evaporated
Problem: What is a random fact?

Answer: a stem is a source of support for a plant
Problem: Generate a sentence that contains a fact.

a mirror reflects light
Problem: Generate a sentence that contains a fact.
Sentence: contact between rocks over long periods of time causes rocks to smooth
Problem: What is a random fact?

Answer:
a hand dryer produces heat