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: Cells that divide uncontrollably may form a tumor, or abnormal mass of cells., Fact2: Surgery to remove the tumor is an option., Question: what might cells that divide uncontrollably need? (A) removal surgery (B) aqueous solution (C) turn to a doctor (D) an organism's body (E) kinetic energy (F) survival (G) Chemical energy (H) bioaerosols

Output: 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: decomposition increases amount of organic matter in soil, Fact2: Fungi are involved in decomposition, as well., Question: What can help increase the amount of organic matter in soil? (A) Fungi (B) mussels (C) pine (D) worms (E) animals (F) Enzymes (G) solutes (H) trees
Output: A