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: Bob had put the trash out. Sentence 2: He forgot to put a lid on the trash can. Sentence 3: A bunch of cats got into the trash. Sentence 4: They left trash all over Bob's yard. Sentence 5: Bob had to pick up the trash in the morning. Choices: a. Bob's Trash. b. Party.

a