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: Peter wanted a snake as a pet. Sentence 2: At first his mom said no way, no how! Sentence 3: She was terrified, but then Peter gave her some books about snakes. Sentence 4: His mom relented when she saw that some snakes were docile and calm. Sentence 5: She allowed Peter to get a ball python snake! Choices: a. Essay. b. Snake.

b