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: preventing the transfer of heat from an organims 's body causes that organism to keep warm, Fact2: Body heat is trapped in the haircoat., Question: The haircoat of a dog is useful for (A) recovery time from fatigue (B) When it's cold (C) protect them (D) finding bones (E) preventing dog days (F) keeping the dog warm (G) keeping the dog cool (H) water conservation

Output: F

Input: Consider Input: Fact1: keeping food cold is used for keeping food fresh, Fact2: A refrigerator that keeps food cold., Question: What is a refrigerator used for? (A) Electrical energy (B) A place to hang magnets (C) Cooling your home (D) staying warm (E) A doorstop (F) electricity (G) energy usage (H) Keeping food fresh

Output: H

Input: Consider Input: Fact1: medicine is used for curing people when they are sick, Fact2: If the patient looks sick, then the patient is sick., Question: Patients benefit from appropriate use of what? (A) insulin (B) delayed prevention (C) lack of insurance (D) staffing shortage (E) melanin content (F) Vitamin D (G) medication (H) Protein
Output: G