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: Aaron loved the band Rush. Sentence 2: The band was coming on tour. Sentence 3: He bought a ticket. Sentence 4: His dad went with him. Sentence 5: They had a blast! Choices: a. Prank Call. b. Rush.

b