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: The parents went on vacation. Sentence 2: The kid's planned a party. Sentence 3: The parents came home early. Sentence 4: The kid's tried to cancel the party. Sentence 5: Some people still showed up for the party. Choices: a. crust. b. vacation.

b