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: Don had lost his job. Sentence 2: The field that he worked in was not busy. Sentence 3: Don re-enrolled in school. Sentence 4: He trained in a busier field. Sentence 5: Don got a job right after school. Choices: a. Losing a Job. b. Two Kittens.

a