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: Jim agreed to babysit his nephew today. Sentence 2: He usually wouldn't but he had nothing else to do. Sentence 3: They spent the afternoon coloring and playing with toys. Sentence 4: Jim told his sister that he would love to babysit again soon. Sentence 5: He forgot how much fun it was being a kid! Choices: a. New Bag, Stale Chips. b. Babysitter.

b