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: wiring requires an electrical conductor, Fact2: Wires connected to a source of electricity., Question: An electrical conductor is required for the operation of: (A) water current (B) electricity (C) satellites (D) energy (E) to move people (F) gas lamps (G) trains (H) lightning

Answer: B


Question: Fact1: Active immunity results when an immune response to a pathogen produces memory cells., Fact2: Vaccination is Active Acquired Immunity., Question: What results when an immune response to a pathogen produces memory cells? (A) anemia (B) vaccination (C) kill them (D) competition (E) lie detectors (F) rapid expansion (G) killing insects (H) it needs them

Answer: B


Question: Fact1: Adolescence is the last stage of life before adulthood., Fact2: Adolescence begins with puberty., Question: What does the last stage of life before adulthood begin with? (A) sexual reproduction (B) puberty (C) infancy (D) death (E) hormones (F) 22 months (G) vorticella (H) Pregnancy

Answer:
B