Problem: Generate a sentence that contains a fact.
Sentence: stalactites are formed by deposition

Problem: Generate a sentence that contains a fact.
Sentence: protein is used to repair cells by the human body

Problem: Generate a sentence that contains a fact.
Sentence: humans changing animal habitats usually causes harm to those animals

Problem: Generate a sentence that contains a fact.
Sentence:
if a population decreases to zero then that organism is extinct