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: 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: Earthworms are important deposit feeders that help form and enrich soil., Fact2: Earthworms Earthworms are in the phylum Annelids., Question: What do annelids enrich? (A) magma (B) seeds (C) soil (D) Energy (E) food (F) water (G) moss (H) roots

A: C
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Q: Fact1: Some birds are pollinators that co-evolved with plants., Fact2: Because it is a flowered plant, it reproduces with seeds and pollen., Question: What do some organisms need to reproduce? (A) food (B) pants (C) fun (D) faith (E) birds (F) sugar (G) Energy (H) Mitosis

A:
E
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