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").
--------
Question: Fact1: Veins generally carry deoxygenated blood., Fact2: Arteries and veins are blood vessels., Question: what generally carries deoxygenated blood? (A) blood vessels (B) animals (C) layers of fat (D) mammals (E) critical organs (F) an organism's body (G) elephants (H) athletes

Answer: A


Question: Fact1: Freshwater biomes have water that contains little or no salt., Fact2: Biomes are global ecosystems., Question: what is freshwater habitats that contain little or no salt? (A) Animal survival (B) allow growth (C) weathering (D) atmosphere (E) loose soil (F) ecosystems (G) salt and water. (H) oceans

Answer: F


Question: Fact1: Roundworms make up the phylum Nematoda., Fact2: Within the Nematoda, a range of reproductive systems occur., Question: where does a range of reproductive systems occur? (A) exoskeletons (B) Plant reproduction (C) h2o (D) shrub beds (E) within roundworms (F) clouds (G) Most plants (H) gastropod shells

Answer:
E