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: Birds evolved from a group of bipedal dinosaurs called theropods., Fact2: All hawks are birds., Question: What evolved from a group of bipedal dinosaurs called theropods? (A) alpacas (B) bacteria (C) hawks (D) vision (E) humans (F) animals (G) mammals (H) viruses

Ex Output:
C


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: hitting an object causes the particles in that object to vibrate, Fact2: Sound energy is created by vibrating objects., Question: hitting an object causes the particles in that object to create what? (A) Electrical energy (B) activation energy (C) solar energy (D) sound energy (E) heat energy (F) Temperature (G) water energy (H) friction

Ex Output:

D