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: better senses have a positive impact on an animal 's survival, Fact2: All dogs are animals ., Question: what can have a positive impact on survival with better senses? (A) pugs (B) deer (C) pigs (D) mice (E) dog (F) cats (G) bird (H) cows

Ex Output:
E

Ex Input:
Fact1: Bile reduces the acidity of food entering from the highly acidic stomach., Fact2: Bile, a fluid made by the liver, is stored in the gallbladder., Question: Fluid that reduces the acidity of food is stored in (A) the throat (B) Microscopic vessels. (C) the rectum (D) the gallbladder (E) chondrocytes (F) the small intestine (G) holding nutrients (H) intestinal

Ex Output:
D

Ex Input:
Fact1: cooking food requires adding heat energy, Fact2: Cooked foods are easier to digest., Question: What does heat energy do? (A) igniting fuel and oxidiser (B) The bending of a ray of light (C) makes digestion easier (D) It gets heated up (E) Movement of an air mass (F) move to different locations (G) enormous damage to homes (H) to move people

Ex Output:
C