Instructions: 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: Tom was always late. Sentence 2: His friends realized this early on. Sentence 3: They always told him to be somewhere half an hour before. Sentence 4: Tom started figuring out their trick. Sentence 5: He wound up being later than half an hour most times. Choices: a. New mom. b. Always Late.
Output:
b