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 Q]: Fact1: skin is used for protecting the body from harmful substances, Fact2: Skin is the body's largest organ., Question: What can protect the body from harmful substances? (A) the body's largest organ (B) layers of fat (C) Electric devices (D) bones (E) sunburns (F) hard outer covering (G) deoxyribonucleic acid (H) muscle
[EX A]: A

[EX Q]: Fact1: if heat is conducted to an object then that object will become hot, Fact2: Metals vary in their capacity to conduct heat., Question: What can happen if a metal is heated? (A) change chemical composition (B) refract energy (C) they bend (D) It expands (E) electricity (F) Relieve pain (G) maintains core temperature (H) becomes hot
[EX A]: H

[EX Q]: Fact1: Cell division is more complex in eukaryotes than prokaryotes., Fact2: Mitosis is cell division., Question: This process is always more complex in eukaryotes than prokaryotes (A) eukaryotic infection (B) mitosis (C) kinetic (D) movement (E) breathing (F) recycling (G) photosynthesis (H) relocation
[EX A]:
B