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: Tom had a steady office job. Sentence 2: He was afraid of losing it. Sentence 3: Everyone started getting sick. Sentence 4: Tom got sick too but went to work anyway. Sentence 5: Tom was able to keep his job. Choices: a. Office Cold. b. First Flight.

a