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: I was eating at a fancy restaurant. Sentence 2: My waiter comes and throws the check on the table. Sentence 3: He told me I had to hurry up and leave. Sentence 4: I was so shocked at this behavior. Sentence 5: I paid for my food and left him a ten cent tip. Choices: a. Maumee Bay. b. The mean waiter.
b