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: Tom found an old case of cookies. Sentence 2: He thought to offer them to his roommates. Sentence 3: He didn't tell them they were stale. Sentence 4: The friends ate them enthusiastically. Sentence 5: Tom laughed to himself. Choices: a. Breakup over politics. b. Stale Cookies.

b