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: seeing requires light, Fact2: Vision is our ability to see., Question: What is required for vision? (A) light (B) goggles (C) food (D) smell (E) hormones (F) Protein (G) color (H) hue

Ex Output:
A


Ex Input:
Fact1: Cartilage is a tough tissue that contains a protein called collagen., Fact2: Collagen tissue is made by collagen fibers connected by bridges., Question: What is a tough tissue made by fibers connected by bridges? (A) a prism (B) bones (C) arms (D) roots (E) skin (F) homogenous (G) cartilage (H) alveoli

Ex Output:

G