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").
Q: Fact1: the vomiting reflex is used to remove toxic material from the stomach before it is absorbed, Fact2: Vomiting is a reflex controlled by a vomiting center in the brain., Question: what is the throwing up center of the brain used for? (A) dissolving enzymes (B) repair cells in the human body (C) solving equations (D) keeping food fresh for long periods of time (E) remove toxic material from the stomach before it is absorbed (F) Something that can be converted to kinetic and heat energy by a motor (G) lower the surrounding pressure (H) regulate breathing
A:
E