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: Nancy hired Amelia to babysit her kids. Sentence 2: Amelia showed up with toys and games. Sentence 3: They read lots of books and sang songs. Sentence 4: The kids went to bed on time and the house was spotless. Sentence 5: Nancy recommended Amelia to all her friends! Choices: a. The Babysitter. b. Snack.

a