Given the task definition and input, reply with output. 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").

Fact1: smoking causes direct damage to the lungs, Fact2: Smoking is the inhalation and exhalation of the fumes of burning tobacco., Question: Inhaling and exhaling fumes of burning tobacco causes damage to what, directly? (A) health (B) lungs (C) spleen (D) fingers (E) cells (F) tissue (G) liver (H) plants
B