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: Tina told Stacy she would pick her up at eight. Sentence 2: So Stacy waited outside right at eight the next day. Sentence 3: A half hour passed and no Tina. Sentence 4: Stacy was getting irritated. Sentence 5: By the time Tina got there an hour had passed. Choices: a. Late for pick up. b. Last moments.

a