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: Tracy was up until dawn studying for a test. Sentence 2: He finally fell asleep. Sentence 3: When he finally woke up he was late for the bus. Sentence 4: He put his clothes on and ran for the door. Sentence 5: When he steps outside the bus goes by and he misses the bus. Choices: a. Travis' Trainset. b. Tracy misses the bus.

b