Problem: Generate a sentence that contains a fact.
Sentence: a cavern is formed by carbonic acid in groundwater seeping through rock and dissolving limestone

Problem: Generate a sentence that contains a fact.
Sentence: a planet rotating causes cycles of day and night on that planet

Problem: Generate a sentence that contains a fact.
Sentence: sugar causes food to taste sweet

Problem: Generate a sentence that contains a fact.
Sentence:
the skeletal system protects internal organs