Generate a sentence that answers this question: "Pollution is".

Answer: pollution is a source of pollutants
question: What sentence would provide a factual answer to this question: "Which would you use a graduated cylinder for?"

answer: a graduated cylinder is used to measure volume of an object
Problem: What is a random fact?

Answer: natural magnetism is used for pointing north by a compass
Problem: Generate a sentence that contains a fact.

the amount of daylight is greatest on the summer solstice
Problem: Generate a sentence that contains a fact.
Sentence: birds sometimes eat seeds
Problem: What is a random fact?

Answer:
the Earth being tilted on its axis causes ones side of the Earth to receive less energy from the Sun than the other side