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: Ed's friend Eric was playing with a yo-yo. Sentence 2: He asked Ed if he'd like to watch him walk the dog. Sentence 3: Ed was confused because he didn't see a dog anywhere! Sentence 4: Eric burst out laughing when Ed asked where the dog was. Sentence 5: Then Ed proceeded to show him the walk the dog yo-yo trick. Choices: a. Walking the Dog. b. Trip to the theater.

a