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: My former coworker has a sixteen year old daughter. Sentence 2: This spring they took a cruise from Boston to the Bahamas. Sentence 3: Three hours out of port, the daughter had severe stomach cramps. Sentence 4: She had appendicitis and had to be airlifted back to Boston. Sentence 5: The airlift made the local news. Choices: a. Appendicitis. b. Petting a cat.

a