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: Mutations may change the structure of a chromosome or just change a single nucleotide., Fact2: SNPs involve polymorphisms at the single nucleotide level., Question: What is a potential outcome of genetic mutation? (A) HIV (B) albino (C) anemia (D) pizza eating turtles (E) genealogy (F) SNPs (G) biology (H) death

Ex Output:
F


Ex Input:
Fact1: Blood pressure is highest in arteries and lowest in veins., Fact2: Blood Pressure Blood Pressure Blood pressure is the force of the blood on the artery walls., Question:  is highest in arteries and lowest in veins. (A) matter (B) voltage (C) Length (D) solutes (E) glucose (F) measure (G) Force (H) Joules

Ex Output:
G


Ex Input:
Fact1: Mollusks are invertebrates such as the common snail., Fact2: Snails are protected by a hard shell on their backs., Question: What are some invertebrates protected by on their backs? (A) fur (B) parasites (C) barnacles (D) shells (E) coats (F) bones (G) bushes (H) Epidermis

Ex Output:

D