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: Chromosomes are the form of the genetic material of a cell during cell division., Fact2: Mitosis is cell division., Question: Chromosomes are the form of the genetic material during (A) plants (B) reproduce (C) condensation (D) mitosis (E) osmosis (F) complex (G) animals (H) respiration
[EX A]: D

[EX Q]: Fact1: Roundworms may be free-living or parasitic., Fact2: Roundworms make up the roundworm phylum, Nematoda., Question: What can the phylum Nematoda be? (A) dangerous (B) parasitic (C) horses (D) meiosis (E) more abundant (F) graptolites (G) homogenous (H) phytoplankton
[EX A]: B

[EX Q]: Fact1: Viruses cannot reproduce by themselves., Fact2: Influenza is a disease caused by viruses., Question: Which of these diseases cannot reproduce by itself? (A) fever (B) Leptospirosis (C) animals (D) influenza (E) bacteria (F) heat or cold (G) dangerous (H) anemia
[EX A]:
D