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: cell division often causes growth, Fact2: Mitosis is cell division., Question: What often causes growth? (A) exercise (B) hormones (C) Atrophy (D) collagen (E) Earthworms (F) Apoptosis (G) Necrosis (H) Mitosis

Ex Output:
H


Ex Input:
Fact1: pathogens can cause disease, Fact2: Fungi are significant pathogens., Question: What can fungi do? (A) protect them (B) survive (C) Spread disease (D) migrate (E) hydrate their cells (F) decrease stamina (G) reproduce (H) aerobic capacity

Ex Output:
C


Ex Input:
Fact1: Arteries generally carry oxygen-rich blood., Fact2: Oxygen-rich blood is bright red., Question: what do arteries carry? (A) brain waves (B) bright red blood (C) wavelengths and photons (D) nerve cells (E) energy of moving objects (F) Veins and arteries. (G) veins (H) heat energy

Ex Output:

B