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: Mike went to the doctor with his mom and baby sister. Sentence 2: His baby sister was getting her one year shots. Sentence 3: Mike got so sad when his sister cried, he asked to step outside. Sentence 4: He was surprised to hear no cryin! Sentence 5: His baby sister did a great job with her shots! Choices: a. Baby Sister's Shots. b. Viral Baby Dance.

a