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: Harry is a baby. Sentence 2: He doesn't know how to be gentle when he pets a dog. Sentence 3: Harry's mother tried to teach him how to be gentle. Sentence 4: Harry pulled the dog's ears. Sentence 5: His mother decided he is still too young to be near the dog. Choices: a. Petting the Dog. b. Researching for hope.

a