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: Tim was riding his bike to school one day. Sentence 2: He was going very fast and didn't see a crack in the sidewalk. Sentence 3: He ran it over and flipped his bike and fell off. Sentence 4: He got up and brushed himself off. Sentence 5: Tim slowed down and paid more attention the rest of the way. Choices: a. Counseling. b. Biking to School.

b