Instructions: 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 on his way to work. Sentence 2: He had to get there quickly. Sentence 3: But he was stuck in traffic. Sentence 4: It was taking forever. Sentence 5: Finally he had enough. Choices: a. Nice guy. b. Stuck in traffic.
Output:
b