Problem: Generate a sentence that contains a fact.
Sentence: erosion causes a river to become deeper and wider
Problem: Randomly generate a fact.

Random fact: Galileo Galilei made improvements to the telescope to make better observations of celestial bodies
Generate a sentence that answers this question: "Winter in the Northern Hemisphere".

Answer: June is during the winter in the southern hemisphere
question: What sentence would provide a factual answer to this question: "Which of these are required in addition to a toaster to make toast?"

answer: a toaster converts electrical energy into heat energy for toasting
Problem: What is a random fact?

Answer: decomposition increases amount of organic matter in soil
Problem: Generate a sentence that contains a fact.
Sentence:
pencil lead contains mineral graphite