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: Antigens are molecules that the immune system recognizes as foreign to the body., Fact2: Children are born with an immature immune, or defense, system., Question: What are molecules that the defense system recognizes as foreign to the body? (A) Allergies (B) lungs (C) antigens (D) bacteria (E) parasites (F) atoms (G) red blood cells (H) acetic acid

Answer: C


Question: Fact1: Some viruses can cause cancer., Fact2: Cervical cancer is caused by a virus, the human papaloma virus., Question: What is responsible for cervical cancer? (A) lmestone (B) Hemoglobin (C) alleles (D) A virus (E) chemicals (F) cigarettes (G) ovaries (H) smoking

Answer: D


Question: Fact1: operating an automobile usually requires fossil fuels, Fact2: Cars, see Automobiles., Question: what requires fossil fuels for operation? (A) motors (B) bicycles (C) paddle boats (D) humans (E) cars (F) trains (G) goats (H) skateboards

Answer:
E