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: Lisa was lonely and decided she needed a friend. Sentence 2: She decided to go to the animal shelter and adopt a cat. Sentence 3: Lisa got to the shelter and finally decided on a calico cat. Sentence 4: She took her home and decided to name her lily. Sentence 5: Lisa and lily became great friends, she's really glad she got a cat. Choices: a. The Storm. b. Lisa's new cat.

b