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: Birds evolved from a group of bipedal dinosaurs called theropods., Fact2: All hawks are birds., Question: What evolved from a group of bipedal dinosaurs called theropods? (A) alpacas (B) bacteria (C) hawks (D) vision (E) humans (F) animals (G) mammals (H) viruses

Ex Output:
C

Ex Input:
Fact1: Fertilization occurs when a sperm and an egg fuse., Fact2: Pregnancy begins with a fertilized egg., Question: what begins when a sperm and an egg fuse? (A) Leptospirosis (B) cellular regeneration (C) h2o (D) seeds (E) death (F) pollen (G) pregnancy (H) competition

Ex Output:
G

Ex Input:
Fact1: when a hemisphere is tilted towards the sun , that hemisphere receives more direct sunlight, Fact2: When it is summer in the Northern Hemisphere, it is winter in the Southern Hemisphere., Question: When are you tilted more towards the sun? (A) winter (B) Tropical (C) positive (D) photons (E) heat waves (F) summer (G) autumn (H) spring

Ex Output:
F