Instructions: 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: Bill had a small house. Sentence 2: He had too many things in his house. Sentence 3: His house was beginning cluttered. Sentence 4: Bill saved up and bought a shed. Sentence 5: Bill was able to store many of his items in the shed. Choices: a. The New Pet.. b. Storage Problem.
Output:
b