In this task, you are given two facts, and a multiple-choice question. Based on the given facts, answer the question with index of the correct option (e.g, "A").

Q: Fact1: Some parasites kill their host, but most do not., Fact2: Parasites include lungworms and GI parasites., Question: What can kill their host? (A) cigarettes (B) bacteria (C) adding heat (D) heat or cold (E) burning (F) Dehydration (G) lungworms (H) Pollution

A: G
****
Q: Fact1: cell division often causes growth, Fact2: Mitosis is cell division., Question: What often causes growth? (A) exercise (B) hormones (C) Atrophy (D) collagen (E) Earthworms (F) Apoptosis (G) Necrosis (H) Mitosis

A: H
****
Q: Fact1: harming an animal species has a negative impact on the population size of that species, Fact2: People understand that habitat destruction and pollution are harmful to wildlife., Question: What has a negative impact on a species population size? (A) influenza (B) assistance (C) pollution (D) distractions (E) liver cancer (F) copper (G) Pesticides (H) disease

A:
C
****