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: if a thermal conductor is exposed to a source of heat then that conductor may become hot, Fact2: Copper is a great thermal conductor., Question: What becomes hot when exposed to a source of heat? (A) rubber (B) wool (C) an object (D) copper (E) paper (F) sugar (G) the skin (H) our star

Output: D

Input: Consider Input: Fact1: Balance is the ability to sense and maintain body position., Fact2: People fall when they lose their sense of balance., Question: the ability to sense and maintain body position prevents people what (A) falling (B) death (C) illness (D) starving (E) blindness (F) disease (G) depression (H) sweating

Output: A

Input: Consider Input: Fact1: Amphibians have permeable skin that easily absorbs substances from the environment., Fact2: Some substances are harmful to the body and block biological systems., Question: What can amphibians permeable skin do? (A) Display wealth (B) Make money (C) resistance (D) Help them fly (E) Vibrates (F) Harm them (G) It expands (H) Damages them
Output: F