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: Tom was tired in class. Sentence 2: He started to fall asleep. Sentence 3: His teacher noticed. Sentence 4: He smacked a book loudly near Tom. Sentence 5: Tom woke up in a state of shock. Choices: a. Sleeping in Class. b. Ruined Wedding.

a