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: an animal usually requires a warm body temperature for survival, Fact2: Mammals are also warm-blooded and are covered with hair or fur., Question: What helps maintain body temperature? (A) hats (B) Lift (C) the inside of a refrigerator (D) fur (E) skin (F) arctic winds (G) freezing water (H) hair

Output: D


Input: Consider Input: Fact1: clouds are formed by water vapor rising into colder regions of the atmosphere and condensing, Fact2: Eventually, the drops fall out of the cloud in the form of rain., Question: What sometimes falls as rain? (A) Water vapor (B) Winter (C) trees (D) Metling snow (E) earth (F) soil (G) flooding (H) streams.


Output: A