In this task, you are given a sentence and a question, you would be asked to create the answer which is contained in the sentence provided.

Sentence: Heart disease is the leading cause of death in the united states. Question: What is the leading cause of death in the united states?
heart disease

Sentence: Metallic bonds hold together positive metal ions and their valence electrons. Question: What types of bonds hold together positive metal ions and their valence electrons?
metallic bonds

Sentence: Pathogenic prokaryotes usually cause illness by producing poisons. Question: Pathogenic prokaryotes usually cause illness by producing what?

poisons