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: Tulips perform best in a sandy, organically enriched soil., Question: Earthworms help form and add what to soil (A) Sediment (B) organic material (C) Converting waste. (D) bacteria (E) heat (F) Chemical energy (G) grass (H) acidity

Output: B


Input: Consider Input: Fact1: Carbon may be stored in sedimentary rock for millions of years., Fact2: Limestone is a type of sedimentary rock., Question: What element can be stored in limestone for millions of years? (A) oxygen (B) Energy (C) matter (D) carbon (E) sodium (F) helium (G) rock salt (H) heat

Output: D


Input: Consider Input: Fact1: Algae have varied life cycles., Fact2: And fish eat algae., Question: fish eat foods with varied what (A) life cycles (B) salt and water. (C) Chemical energy (D) energy usage (E) fats (F) kinetic energy (G) nutrition (H) protein

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Output: A


