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: Walter was a chemistry teacher. Sentence 2: His students did not like him. Sentence 3: Walter was unhappy. Sentence 4: He left his teaching job. Sentence 5: Now he works as car dealer. Choices: a. Unsatisfied job. b. The Fishing Captain.

a