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: Lisa approached the pond on her nightly walk. Sentence 2: She saw a small duck swimming around. Sentence 3: He had something stuck around his neck. Sentence 4: Lisa got close and pulled it off. Sentence 5: It was the plastic ring from a pack of soda! Choices: a. The Monkey. b. The Duck.

b