Given the task definition and input, reply with output. 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: The woman was making Thanksgiving dinner. Sentence 2: She carried the gravy over to the table. Sentence 3: On her way, she tripped and fell. Sentence 4: It spilled gravy everywhere. Sentence 5: The woman cried when she looked at the mess she had to clean up. Choices: a. Driving. b. The Gravy.
b