Definition: 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'.
Input: Sentence 1: Angie started second grade very nervously. Sentence 2: She was at a new school. Sentence 3: Her teacher, Ms Wilson, greeted her warmly. Sentence 4: She introduced her to a nice girl named Dana. Sentence 5: Angie's school year was looking up! Choices: a. The Best Teacher. b. Carnival.

a