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: Kerry wanted to get a pet. Sentence 2: She decided to get a bird. Sentence 3: Kerry bought a beautiful blue bird. Sentence 4: It sang a nice song. Sentence 5: Kerry was happy to have a pet. Choices: a. Lucky Winner. b. Kerry Gets A Bird.

b