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: Fertilization occurs when a sperm and an egg fuse., Fact2: Pregnancy begins with a fertilized egg., Question: what begins when a sperm and an egg fuse? (A) Leptospirosis (B) cellular regeneration (C) h2o (D) seeds (E) death (F) pollen (G) pregnancy (H) competition

Ex Output:
G


Ex Input:
Fact1: a mirror is used for reflecting light, Fact2: Light seems to travel in rays or beams., Question: what can a mirror be used to reflect? (A) noble gases (B) air particles (C) glass (D) focusing a lens (E) rays or beams (F) photons (G) sun's heat (H) an electron lens

Ex Output:
E


Ex Input:
Fact1: Centrioles are organelles involved in cell division., Fact2: Mitosis is cell division., Question: What are organelles involved in mitosis? (A) animals (B) Conifers (C) Most plants (D) it needs them (E) graptolites (F) fur seals (G) centrioles (H) sensory neurons

Ex Output:

G