Problem: Generate a sentence that contains a fact.
Sentence: each of the moon 's phases usually occurs once per month

Problem: Generate a sentence that contains a fact.
Sentence: if an object reflects a light of a certain color then the object appears to be that color

Problem: Generate a sentence that contains a fact.
Sentence: when an electrical circuit is working properly , electrical current runs through the wires in that circuit

Problem: Generate a sentence that contains a fact.
Sentence:
extreme heat and pressure metamorphose rock into metamorphic rock