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'.

Sentence 1: Jen drove into the highway. Sentence 2: There was plenty of traffic, including a road blockage. Sentence 3: The traffic cleared up after 1-2 hours. Sentence 4: Since Jen got to work late, her boss was mad. Sentence 5: He rushed her to continue working on their project. Choices: a. Christmas Lights. b. Rush Hour.
b