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: Timmy is going to have a new baby sister. Sentence 2: He wants to name her Emily. Sentence 3: His mom told him she already picked a name. Sentence 4: Timmy's sister's middle name is now Emily. Sentence 5: His mom did use the name he picked after all. Choices: a. Alma the Sales Associate. b. New Baby Sister.

b