Problem: Generate a sentence that contains a fact.
Sentence: living in an environment causes an organism to adapt to that environment

Problem: Generate a sentence that contains a fact.
Sentence: magnetism can cause objects to repel each other

Problem: Generate a sentence that contains a fact.
Sentence: the floating arrow on a compass always points towards the north

Problem: Generate a sentence that contains a fact.
Sentence:
friction causes the speed of an object to decrease