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: Amphibians have permeable skin that easily absorbs substances from the environment., Fact2: All frogs are amphibians., Question: What has permeable skin? (A) goats (B) alligators (C) animals (D) apples (E) frogs (F) sharks (G) humans (H) snakes

Ex Output:
E


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: a barometer is used to measure air pressure, Fact2: Atmospheric pressure is measured by a barometer., Question: What is a tool for indicating air pressure? (A) rain guage (B) vibration (C) seismograph (D) lamphreys (E) barometer (F) Otoacoustic (G) thermometer (H) weater

Ex Output:

E