Problem: Generate a sentence that contains a fact.
Sentence: wax is an electrical energy insulator

Problem: Generate a sentence that contains a fact.
Sentence: denser liquids settle below liquids that are less dense

Problem: Generate a sentence that contains a fact.
Sentence: being exposed to heat can cause erosion of rocks

Problem: Generate a sentence that contains a fact.
Sentence:
an landfill is a source of pollution