Problem: Generate a sentence that contains a fact.
Sentence: a scar is an acquired characteristic

Problem: Generate a sentence that contains a fact.
Sentence: a canyon forming occurs over a period of millions of years

Problem: Generate a sentence that contains a fact.
Sentence: a cactus stem is used for storing water

Problem: Generate a sentence that contains a fact.
Sentence:
when a habitat can support living things , living things can live in that habitat