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: Tim loved playing outdoors. Sentence 2: He would always get muddy. Sentence 3: He always dragged mud in his home. Sentence 4: He quickly became annoyed with cleaning the mud in his home. Sentence 5: Tim decided to change clothes before entering his home to solve this. Choices: a. I went shopping. b. Dirt.

b