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: It was Ken's first day of school. Sentence 2: He put on his uniform. Sentence 3: Ken made sure he ate breakfast. Sentence 4: He picked up his bag and walked to the door. Sentence 5: Finally, he told his mom goodbye and walked to the bus stop. Choices: a. Ken's First Day. b. Giving Up.

a