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: Sam took his dog to the dog park. Sentence 2: He was having fun at first. Sentence 3: Then another dog started trying to attack it. Sentence 4: Sam had to intervene. Sentence 5: He took his dog home. Choices: a. Long Distance. b. The Dog Park.

b