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: John bought two tickets to the show tonight. Sentence 2: He surprised me today with them. Sentence 3: I am so excited to go. Sentence 4: I have to find something to wear. Sentence 5: It will be a great show. Choices: a. BDSM. b. The concert.

b