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: Portia was coloring a picture of the cookie monster. Sentence 2: Her mother complimented her picture. Sentence 3: Portia was proud of her picture. Sentence 4: She decided to create a whole book of cookie monsters. Sentence 5: Her book ended up becoming a published children's book. Choices: a. Cookie Monster. b. New Shoes.

a