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: 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: Fertilization takes place inside the female organism., Fact2: Each eyed egg is a fertile egg., Question: What do female organisms produce? (A) honey (B) electricity (C) apples (D) nectar (E) plants (F) eggs (G) anger (H) adults

Ex Output:
F


Ex Input:
Fact1: Corals form large colonies in shallow tropical water., Fact2: Tropical fishes require warm water., Question: Corals form large colonies in shallow and what waterways (A) porous (B) Thames (C) warm (D) deep (E) water (F) calm (G) open ocean (H) cold

Ex Output:

C