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: Anna was selected to be a judge in a costume contest. Sentence 2: She had to decide who had the best costume. Sentence 3: The costumes were all pretty great! Sentence 4: Anna had a tough time deciding, but finally she did. Sentence 5: Then she cast her vote for the winning costume! Choices: a. Judge. b. Story of O.

a