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: Tunicates reproduce sexually., Fact2: Bulbs are classifies as tunicate or non-tunicate., Question: How many ways can a bulb reproduce? (A) LEDs (B) Two (C) Many (D) wind (E) well (F) 12 (G) bent (H) tube

Ex Output:
B


Ex Input:
Fact1: Flagella help prokaryotes move., Fact2: Flagella and cilia are similar in structure., Question: What helps movement? (A) stamina (B) fur (C) cilia (D) hair (E) kinetic (F) nerves (G) motors (H) elastic

Ex Output:
C


Ex Input:
Fact1: Cells are organized into tissues, and tissues form organs., Fact2: Skin is a protective organ., Question: Tissues form skin, what forms tissue? (A) blood (B) humans (C) Man (D) bacteria (E) cells (F) oxygen (G) skin (H) keratin

Ex Output:

E