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").

Ex Input:
Fact1: Evolution occurs in response to a change in the environment., Fact2: Evolution Evolution is the changing pattern of life forms., Question: what happens in response to change in environment? (A) Plant growth is reduced (B) the wearing away of rock (C) lifeforms change their pattern (D) antimatter (E) density changes (F) Warm air moving into cold air (G) erosion from rivers (H) gravity changes

Ex Output:
C


Ex Input:
Fact1: irradiating food can be used to kill existing microorganisms in the food, Fact2: Food-Borne Illnesses are the sickness that results from eating foods that are contaminated with harmful bacteria and other microorganisms., Question: Which food is most unlikely to cause an illness if eaten? (A) Deoxyribonucleicacid (B) single-celled organisms (C) animals with backbones (D) Roundworms (E) deoxyribonucleic acid (F) one celled organisms (G) irradiated fruit (H) Jellyfish

Ex Output:
G


Ex Input:
Fact1: Animals may compete for territory, water, food, or mates., Fact2: Bird A bird is an animal with feathers., Question: What may compete for territory, water, food, or mates? (A) birds (B) koalas (C) sheep (D) viruses (E) phytoplankton (F) bears (G) bacteria (H) humans

Ex Output:

A