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: Bob and his friend Joe were playing hide and seek. Sentence 2: When it was Bob's turn to hide, he waited and waited. Sentence 3: Joe never came, so he thought he must have found the perfect spot. Sentence 4: He finally went back inside the house to find Joe at the table. Sentence 5: He was eating cookies and had totally forgotten about Bob. Choices: a. Tooth Fairy. b. Hide and Seek.

b