instruction:
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").
question:
Fact1: friction causes an object to lose energy, Fact2: Objects An object can be one of several things., Question: What does friction cause things to lose? (A) heat (B) moisture (C) toughness (D) Energy. (E) traits (F) light (G) energy (H) cartilage
answer:
G


question:
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
answer:
G


question:
Fact1: Echinoderms lack a centralized nervous system., Fact2: Starfish and sea urchins are also echinoderms., Question: What lacks a centralized nervous system? (A) Damaged hearing (B) Pesticides (C) Cats (D) insects (E) Sea urchins (F) barnacles (G) Humans (H) Fish
answer:

E