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").

Ex Input:
Fact1: Phylogeny is the evolutionary history of a group of related organisms., Fact2: Much of evolutionary biology involves the history of organic diversity., Question: Phylogeny is the history and organic diversity of what? (A) unicellular organisms (B) unrelated organisms (C) evolved areas (D) unrelated events (E) one-celled animals (F) trees and flowers (G) related organisms (H) ecosystems

Ex Output:
G


Ex Input:
Fact1: Biodiversity increases the productivity and stability of ecosystems., Fact2: An ecosystem includes the organisms and their habitat., Question: what does biodiversity increase the productivity and stability of? (A) density (B) the looseness of soil (C) water vapor (D) the environment (E) h2o (F) swamp vegetation (G) biological diversity (H) organisms and their habitat

Ex Output:
H


Ex Input:
Fact1: heavy rains cause flooding, Fact2: Flooding causes much of the hurricane damage., Question: Which part of the hurricane causes the most damage?  (A) critical organs (B) patch reefs (C) coastlines (D) coral reefs (E) power stations (F) heavy rain (G) vehicles (H) mouth of rivers

Ex Output:

F