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: Alex rode with his friend to school every day. Sentence 2: Alex never paid for gas. Sentence 3: One day, Alex's friend got tired of giving Alex a free ride. Sentence 4: Alex's friend stopped picking Alex up at his house. Sentence 5: Alex had to walk to school every day. Choices: a. Amy's Leg. b. Free Ride.

b