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 first day was terrible. Sentence 2: He laid in bed, shaking and crying. Sentence 3: The shame of his drunken binge had taken control. Sentence 4: He jumped up to vomit in the bathroom. Sentence 5: He had trouble getting it out of his system. Choices: a. First Day. b. Lasers.

a