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: 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: telephones are used for communication by two people by transmitting sound, Fact2: And the sound of their voice becomes important as well., Question: What is transmitted with telephones? (A) voice (B) copper (C) waves (D) smell (E) cancer (F) energy (G) HIV (H) power

Output: A


Input: Consider Input: Fact1: the vomiting reflex is used to remove toxic material from the stomach before it is absorbed, Fact2: If vomiting occurs, turn the victim's head so that the vomitus is expelled., Question: What happens to vomitus so that toxic materials are removed from the stomach before they are absorbed? (A) toxins (B) dissolved (C) expelled (D) dangerous (E) evaporation (F) uncontrolled (G) soaked up (H) decreased


Output: C