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: Michael woke up late. Sentence 2: He decided to just stay in bed. Sentence 3: When he finally got up, he left the bed a mess. Sentence 4: His girlfriend saw the bed. Sentence 5: She wasn't happy. Choices: a. Bad Day. b. Lazy Day.

b