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: Jackie was eating a burger in a wrapper. Sentence 2: She did not see a trash can, so she threw the wrapper on the ground. Sentence 3: A cop saw her do this. Sentence 4: He told her to pick it up. Sentence 5: He wrote her a ticket and now she has to clean a park. Choices: a. Littering. b. No Partners Allowed.

a