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").

Input: Consider 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

Output: C

Input: Consider Input: Fact1: cooking food requires adding heat energy, Fact2: Heat is essentially the source of energy., Question: Doing what to food requires adding the source of energy? (A) burning (B) burying (C) degrading (D) hydration (E) boiling (F) Light (G) sharing (H) cooking

Output: H

Input: Consider Input: Fact1: Viruses often infect bacteria., Fact2: Infected birds spread the bacteria in their droppings., Question: Viruses often can spread bacteria through what? (A) the skin (B) microscopes (C) contamination (D) covering (E) washing (F) alveoli (G) droppings (H) coating
Output: G