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 Johnson family loved Halloween. Sentence 2: Every year they did a different theme for their house in celebration. Sentence 3: This year they were having difficulty in deciding a theme. Sentence 4: They held a few family meetings to finally determine what to do. Sentence 5: When Halloween came around they put up a zombie themed haunted house. Choices: a. Unicycle. b. Halloween.

b