Problem: Generate a sentence that contains a fact.
Sentence: the moon does not contain water

Problem: Generate a sentence that contains a fact.
Sentence: the Earth rotating on its axis causes the sun to appear to move across the sky during the day

Problem: Generate a sentence that contains a fact.
Sentence: the slope of the land causes a river to flow in a particular direction

Problem: Generate a sentence that contains a fact.
Sentence:
if a magnet is attracted to a metal then that magnet will stick to that metal