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: Antigens are molecules that the immune system recognizes as foreign to the body., Fact2: Antigens prompt the body to produce antibodies., Question: Antigens are molecules that prompt the what of antibodies? (A) termination (B) failure (C) humans (D) decrease (E) production (F) anemia (G) rapid expansion (H) kinetic

Answer: E


Question: Fact1: a tape measure is used to measure length, Fact2: Lengths are given in centimeters., Question: What measure centimeters? (A) weight (B) tape measure (C) triceps (D) in the frog family (E) kilograms (F) bottom of feet (G) density (H) layers of fat

Answer:
B