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: Julia worked at the vets. Sentence 2: She only manned the reception, but wanted to be a vet. Sentence 3: Once, a man brought in his pet rabbit. Sentence 4: The vet was busy, so she had a look at it while he waited. Sentence 5: She managed to diagnose the issue because of a book she had read. Choices: a. Race Track. b. Dr Dolittle.

b