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: It was Tina's graduation. Sentence 2: She was graduating from high school. Sentence 3: She was nervous she would trip. Sentence 4: And in fact she did. Sentence 5: Tina made a gaffe in front of everyone. Choices: a. New hairstyle. b. Tripping over the gown.

b