Problem: Generate a sentence that contains a fact.
Sentence: An example of a change in the Earth is an ocean becoming a wooded area

Problem: Generate a sentence that contains a fact.
Sentence: if the population of an organism increases then the ecosystem may become overpopulated with that organism

Problem: Generate a sentence that contains a fact.
Sentence: contact between rocks over long periods of time causes rocks to smooth

Problem: Generate a sentence that contains a fact.
Sentence:
sugar dissolves in water when they are combined