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: Mary and Anna bought tickets for a weekend in Mexico. Sentence 2: Unfortunately, Anna's great-aunt passed away the weekend before. Sentence 3: The girls tried to get a refund for their tickets. Sentence 4: They had to send in a death certificate and a lot of paperwork. Sentence 5: It was complicated, but eventually they did get their refund! Choices: a. Refund. b. The loud music.

a