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: Our building had a summer party today. Sentence 2: A caterer served ribs, chicken, and burgers outdoors. Sentence 3: The manager had cookies in the clubroom indoors. Sentence 4: My wife took some back to our apartment. Sentence 5: A neighbor saw her and tried to get cookies but the supply ran out, Choices: a. Sherry misses her flight. b. Cookies.

b