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").

Q: Fact1: Protozoa can be classified on the basis of how they move., Fact2: Paramecium are protozoa, single celled animals., Question: What is a way to categorize paramecium?  (A) the smell (B) coliform (C) the taste (D) canis lupus (E) how they move (F) the length (G) skin color (H) coelenterates

A: E
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Q: Fact1: Air pollution harms the respiratory and circulatory systems., Fact2: Cars are a significant source of air pollution., Question: What harms the respiratory and circulatory systems? (A) oil (B) rain (C) sulfur (D) cars (E) tires (F) coal (G) tar (H) bicycles

A: D
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Q: Fact1: Gametes then unite in fertilization and form a diploid zygote., Fact2: After the mating of gametes, zygots are formed., Question: What do gametes mate into? (A) haploid (B) fertile (C) pollen (D) seeds (E) zygotes (F) eggs (G) chromosomes (H) offspring

A:
E
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