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: Hayley was feeling ill. Sentence 2: She was on a boat that was rocking a lot. Sentence 3: She tried to focus on her breathing to feel better. Sentence 4: She finally couldn't hold it in anymore. Sentence 5: Hayley threw up all over her dress. Choices: a. The Punctual Friend. b. The Boat Trip.

b