Problem: Generate a sentence that contains a fact.
Sentence: smell is used for finding food by some animals

Problem: Generate a sentence that contains a fact.
Sentence: if something is a raw material then that something comes directly from a source

Problem: Generate a sentence that contains a fact.
Sentence: as the available water in an environment increases , the populations of organisms in that environment will increase

Problem: Generate a sentence that contains a fact.
Sentence:
the surface of the Moon contains mountains