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: a light bulb converts electrical energy into light energy when it is turned on, Fact2: Fluorescent light bulbs use half the electricity of standard bulbs., Question: What do flourescent bulbs do? (A) Change colors (B) reproduce (C) staying warm (D) dormant state (E) direct energy (F) spread flower seeds (G) use less energy (H) duplicate itself

Output: G


Input: Consider Input: Fact1: Behaviors that improve fitness increase through natural selection., Fact2: Fitness traits relate to an animal s ability to survive and reproduce., Question: behaviors increase through what that improve traits of animal's ability to survive (A) competition (B) hunting (C) biological diversity (D) the environment (E) eating (F) produce offspring (G) natural selection (H) grooming

Output: G


Input: Consider Input: Fact1: All life relies on a relatively narrow range of pH, or acidity., Fact2: Life during most of the Precambrian was restricted to bacteria and algae., Question: Bacteria relies on a relatively narrow range of what? (A) RNA (B) Fe (C) 12 (D) DDT (E) DNA (F) pH (G) CO2 (H) O2


Output: F