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: My friends and I were regulars at a Mexican restaurant. Sentence 2: There were six of us. Sentence 3: The waiter remembered all of our regular orders. Sentence 4: I was surprised. Sentence 5: People in our group came and went. Choices: a. Second Monitor. b. Mexican Restaurant.

b