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: Most modern gymnosperms are trees with woody trunks., Fact2: Gymnosperms are the plants that are known as evergreens., Question: What trees have woody trunks? (A) trees (B) vegetation (C) evergeeen (D) more abundant (E) it needs them (F) graptolites (G) Leeuwenhoek (H) cacti

Ex Output:
C


Ex Input:
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 Output:
D


Ex Input:
Fact1: HIV infects and destroys helper T cells., Fact2: Aids is the end stage of HIV infection., Question: what infects and destroys helper T cells? (A) fungus (B) memory cells (C) anemia (D) AIDS (E) CO 2 (F) bacteria (G) Wasps (H) blood

Ex Output:

D