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").
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Question: Fact1: Evolution occurs in response to a change in the environment., Fact2: Extinction is a natural part or the process of evolution., Question: What happens to an environment to cause extinction?  (A) relocation (B) changes (C) rain (D) exposure (E) forces (F) wind (G) Pollution (H) discovery

Answer: B


Question: Fact1: skin is used for protecting the body from harmful substances, Fact2: Skin is the body's largest organ., Question: What can protect the body from harmful substances? (A) the body's largest organ (B) layers of fat (C) Electric devices (D) bones (E) sunburns (F) hard outer covering (G) deoxyribonucleic acid (H) muscle

Answer: A


Question: Fact1: exercise increases a body 's strength, Fact2: Kicks and punches are important to keeping a healthy body., Question: Exercise is important to keeping healthy and what? (A) worried (B) empty (C) dogs (D) cows (E) strong (F) fueled (G) animals (H) health

Answer:
E