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: I used to collect colored pencils and erasers. Sentence 2: The erasers came in all kinds of cute shapes and sizes. Sentence 3: I walked to the bookstore in school and bought unicorn erasers. Sentence 4: I did this every week with my allowance. Sentence 5: I collected them all together in a metal tin by Lisa Frank. Choices: a. Pencils. b. Man Next Door.

a