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: 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: ultraviolet light causes sunburn, Fact2: Furthermore, sunburn can cause premature aging and skin cancers., Question: What can ultraviolet light cause? (A) chemical changes (B) Cold skin (C) killing insects (D) Healthy skin (E) disease (F) Skin cancer (G) symptoms (H) Low temperatures

Output: F


Input: Consider Input: Fact1: Aging is associated with the death of cells., Fact2: Old cells have short telomeres., Question: What is aging associated with? (A) an organism's body (B) decrease stamina (C) Decrease bodily water (D) Short telomeres (E) forest is destroyed (F) massive damage (G) Earth orbiting the Sun (H) Veins and arteries.


Output: D