In this task, you're given five sentences, numbered 1 through 5, and two options a and b for possible titles for the story. Your job is to choose the title that better fits the story. Indicate your choice by 'a' or 'b'.

Ex Input:
Sentence 1: Ann wanted to redo her bedroom. Sentence 2: She bought a new duvet first. Sentence 3: It was a great turquoise color. Sentence 4: Ann couldn't find anything that matched it. Sentence 5: She regretted buying that duvet. Choices: a. The Duvet. b. Pizza and Dancing.

Ex Output:
a

Ex Input:
Sentence 1: The United States entered World War II. Sentence 2: Industry began to grow. Sentence 3: People went off to war. Sentence 4: The war went for a while. Sentence 5: The Allied forces won. Choices: a. Rodeo. b. World Event.

Ex Output:
b

Ex Input:
Sentence 1: Katie was the new girl at school. Sentence 2: She transferred from out of town and didn't know anyone. Sentence 3: The first day of school was nerve-wracking. Sentence 4: During lunch, a classmate sat next to her. Sentence 5: She introduced herself as Regina. Choices: a. New Girl. b. Samantha fails class.

Ex Output:
a