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: Testosterone stimulates the reproductive organs to develop into male organs., Fact2: Male mammals have a tube-like organ called the 'penis'., Question: what does testosterone stimulate reproductive tissues to develop? (A) penis (B) PDAs (C) A drug. (D) offspring (E) ovaries (F) Man (G) CO 2 (H) vagina

Output: A


Input: Consider Input: Fact1: Mammals have a layer of fat under the skin to help insulate the body., Fact2: Harbor seals, like sea lions, have evolved to utilize a layer of fat called blubber., Question: How do sea lions keep warm? (A) protected (B) warm (C) Swimming fast (D) Sleeping (E) hydration (F) Blubber (G) four limbs (H) Eating a lot of fish

Output: F


Input: Consider Input: Fact1: plucking a string can cause that string to vibrate, Fact2: All guitars produce sound through the mechanical vibration of strings., Question: How does a guitar create sound? (A) electrically (B) mechanical (C) Amplifying it with electricity (D) The musician being trained (E) Tuning it properly (F) Plucking a string (G) Through play (H) lowered energy cost


Output: F