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: Gertrude hated sharing her toys with her brother Billy. Sentence 2: He would always ruin her toys. Sentence 3: Billy tried to play with Gertrude's toy car, but she snatched it away. Sentence 4: Billy began crying, and their mother rushed to check on them. Sentence 5: Their mother took the toys and made them both go to sleep. Choices: a. Sharing Toys. b. Five Cents.

a