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: Skin color is another polygenic trait., Fact2: Most dental variations are polygenic, that is controlled by several genes., Question: Skin color is a trait controlled by what? (A) prokaryotic cells (B) one gene (C) enzymes (D) keratin (E) one's descendants (F) several genes (G) the environment (H) a single gene

Output: F


Input: Consider Input: Fact1: Mammals can also generate little bursts of heat by shivering., Fact2: Polar bears are mammals., Question: What can generate little bursts of heat by shivering? (A) alpacas (B) bacteria (C) animals (D) polar bears (E) phytoplankton (F) rabbit (G) viruses (H) humans

Output: D


Input: Consider Input: Fact1: information in an organism 's chromosomes cause genetic traits to be passed down to that organism 's offspring, Fact2: DNA carries information., Question: What cause genetic traits to be passed down to that organism 's offspring? (A) RNA (B) math (C) SNPs (D) gene (E) p53 (F) skin (G) DNA (H) cells


Output: G