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").

Input: Consider Input: Fact1: a breathing mask is used for keeping harmful particles from entering the respiratory system, Fact2: Pulmonologists treat lungs and respiratory systems., Question: what does a breathing mask keep harmful particles from entering? (A) skin (B) tissue (C) stomach (D) h2o (E) H20 (F) air (G) lungs (H) gas masks

Output: G

Input: Consider Input: Fact1: smoking tobacco decreases stamina, Fact2: Manual dexterity and physical stamina are vital., Question: What decreases manual dexterity? (A) Dehydration (B) lifting weights (C) hypothyroidism (D) prolonged thirst (E) working out (F) eating healthy (G) smoking tobacco (H) Abnormal cell growth

Output: G

Input: Consider Input: Fact1: Introns are regions that do not code for proteins., Fact2: Introns are found in eukaryotes., Question: What have regions that do not code from proteins? (A) roots (B) animals (C) sensory neurons (D) genus (E) Allergies (F) eukaryotes (G) barnacles (H) fur seals
Output: F