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: Pneumonia may be caused by an infection or injury of the lungs., Fact2: Mammals breathe air with lungs., Question: What may be caused by an infection or injury of the organs used to breathe air? (A) Toxicity (B) smoking (C) fertilization (D) pneumonia (E) a broken leg (F) oxygenation (G) Dehydration (H) the skin

Ex Output:
D

Ex Input:
Fact1: plasma is formed by electrons separating from atoms in stars, Fact2: Plasma exists inside stars and in interstellar gases., Question: What is formed by electrons separating from interstellar gases? (A) an object (B) Energy. (C) proteins (D) led lights (E) air (F) light (G) plasma (H) dust

Ex Output:
G

Ex Input:
Fact1: Annelids are worms such as the familiar earthworm., Fact2: Annelids have bodies that are segmented., Question: what have bodies that are segmented? (A) worms (B) protist (C) Wasps (D) humans (E) h2o (F) bats (G) insects (H) mammals

Ex Output:
A