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 was had a flat tire on his way to work. Sentence 2: Tom hopped out and went to work on changing the tire. Sentence 3: Tom then proceeded on his way to work. Sentence 4: Tom walked into the office and noticed people staring at him. Sentence 5: Tom later saw, in the mirror, that his face was streaked with grease! Choices: a. Flat. b. Potluck.

a