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: poisonous darts are used for defense by sea anemones, Fact2: Sea anemones are related to jellyfish and coral., Question: what are used for defense by an organism related to jellyfish and coral (A) poisonous darts (B) Chemicals (C) specialized (D) by parasitizing them (E) chondrocytes (F) flagella (G) Microscopic vessels. (H) a sponge
Example Output: A

Example Input: Fact1: Plants that shed their leaves seasonally each year are called deciduous plants., Fact2: Vines are perennial, deciduous climbing plants., Question: What sheds their leaves seasonally each year? (A) camels (B) oak (C) Spruce (D) fens (E) Trees (F) burrs (G) apples (H) vines
Example Output: H

Example Input: Fact1: All life relies on a relatively narrow range of pH, or acidity., Fact2: All organisms have life cycles., Question: what relies on a relatively narrow range of acidity? (A) organisms (B) carbon (C) animals (D) hydrogen (E) density (F) trees (G) Most plants (H) barnacles
Example Output:
A