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: Clara had always flown in coach. Sentence 2: One day, an airline bumped her to first class! Sentence 3: She was so amazed that she wasn't sure what to do with herself. Sentence 4: She got free drinks and food and a hot towel. Sentence 5: Clara decided she could never go back to coach. Choices: a. Bird. b. First Class.

b