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: Dan recently watched a movie about a hero who acted generously. Sentence 2: Dan began feeling that he wanted to emulated this behavior. Sentence 3: Dan sought out opportunities to be generous. Sentence 4: Then suddenly, a troupe of girl scouts came to Dan's door. Sentence 5: Dan bought every single package of cookies the girls had! Choices: a. Apology. b. Generosity.

b