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: Jen decided to take her dog for a walk. Sentence 2: She took off her slippers and put on her running shoes. Sentence 3: She then put the leash on her dog. Sentence 4: Jen decided to just walk around town and talk to people she saw out. Sentence 5: They ended up walking for three miles before heading back home. Choices: a. Extractions. b. Walking the dog.

b