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: The elderly gentleman got on the bus for a shopping trip. Sentence 2: He forgot to get off of the bus at his stop. Sentence 3: He got off of the bus at the next stop. Sentence 4: He walked back to his bus stop. Sentence 5: He was tired of walking so he took a bus back home. Choices: a. Wandering Man. b. Driver's License.

a