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: Playing is just one of many ways that mammals and other animals learn how to behave., Fact2: Acting is about behaving., Question: What is one of the ways that mammals and other animals learn how to act? (A) sleeping (B) Movement (C) mating (D) exercise (E) eating (F) sound (G) playing (H) motion

Ex Output:
G


Ex Input:
Fact1: cell division often causes growth, Fact2: Growth and Development Most organisms grow., Question: What causes organisms to grow? (A) genetic diversity (B) viruses (C) pathogens (D) genetic material (E) pollution (F) prolactin release (G) Time and energy (H) cell division

Ex Output:
H


Ex Input:
Fact1: Antigens are molecules that the immune system recognizes as foreign to the body., Fact2: Yes, foreigners are called Aliens., Question: What are molecules that are recognized by the body as alien? (A) parasites (B) Acids (C) heat or cold (D) negative (E) antigone (F) antibodies (G) antigens (H) blood cells

Ex Output:

G