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").

Example Input: Fact1: Annelids have the amazing capacity to regrow segments that break off., Fact2: Annelids have closed circulatory systems., Question: what kind of circulatory system can some segmented animals have? (A) organ (B) insects (C) made (D) warm (E) three (F) complex (G) closed (H) epidermal
Example Output: G

Example Input: 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
Example Output: C

Example Input: Fact1: Grasses supply most of the food consumed by people worldwide., Fact2: Wheat is a grass-type plant., Question: What is consumed by people worldwide? (A) Energy. (B) wheat (C) durian (D) food (E) nectar (F) tofu (G) insects (H) Energy
Example Output:
B