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: Mike's brother was moving so he said he would help him out. Sentence 2: He was moving within the development so it was pretty close by. Sentence 3: He noticed a bike in the garage and offered to ride it over. Sentence 4: He started down the street and realized the tires badly needed air. Sentence 5: It was one of the worst bike rides he ever went on. Choices: a. Trampoline. b. Bike ride.

b