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: Jack plays with his toy. Sentence 2: His friend Dave wants to play with it too. Sentence 3: Jack decides to share his toy. Sentence 4: The two boys accidentally broke the toy while having fun. Sentence 5: They lost a toy, but gained a friendship for life. Choices: a. Mushrooms. b. The toy..

b