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: Everyone told Jim he was immature. Sentence 2: Even though he was twenty he loved playing pranks on people. Sentence 3: It made it hard for him to sustain a job. Sentence 4: So he had to find a career that let him be true to himself. Sentence 5: He founded a prank shop that made him happy both ways. Choices: a. Pranks. b. Are You Sure About That?.

a