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: Katie and her husband want to start a family. Sentence 2: They try to get pregnant to have a baby. Sentence 3: They struggle with their fertility. Sentence 4: Katie and her husband decide to see a doctor for help. Sentence 5: Within a year they have a healthy baby girl. Choices: a. Katie's Baby. b. Yap.

a