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: Olivia was working at a vet's office. Sentence 2: She was the secretary. Sentence 3: Olivia really liked the animals that came in. Sentence 4: She decided to go back to school. Sentence 5: Olivia became a vet. Choices: a. The Vet's Office. b. Smoke Detector.

a