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: microorganisms can cause infections, Fact2: Bacteria are microorganisms that exist everywhere., Question: What can cause infection? (A) bacteria (B) seeds (C) influenza (D) disease (E) horses (F) viruses (G) chickenpox (H) bladders

Ex Output:
A


Ex Input:
Fact1: bees convert nectar into honey, Fact2: Butterflies feed on nectar produced by flowers., Question: From what part of the plant do bees collect the substance they need to make honey? (A) Fruit (B) a hosta (C) food (D) Leaves (E) keratin (F) Flowers (G) liquids (H) Stem

Ex Output:
F


Ex Input:
Fact1: Flowers form on the dominant sporophyte plant., Fact2: Sporophyte possesses stoma., Question: Where can flowers form? (A) interior chambers (B) occurs over a wide range (C) on a plant possessing stoma (D) last stage before adulthood (E) on the Sun (F) on a dead plant (G) tissue made of chondrocytes (H) on the Moon

Ex Output:

C