Teacher: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").
Teacher: Now, understand the problem? Solve this instance: Fact1: Lung cancer is most often caused by exposure to tobacco smoke., Fact2: Lung cancer is the deadliest of all cancers., Question: what results does exposure to tobacco smoke have? (A) a hazard (B) deadly (C) negative (D) alters hearing (E) neutral (F) kill them (G) harm (H) positive
Student:
B