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: The popcorn machine was old fashioned. Sentence 2: It looked like it had come from a theater. Sentence 3: She was excited to purchase it for the kids. Sentence 4: She took it home and put it in the movie room. Sentence 5: They made a huge batch of popcorn that night. Choices: a. Popping. b. After Zoo.

a