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: Victoria had forgot to get buns for her hot dogs at the store. Sentence 2: When she got the BBQ she realized her mistake. Sentence 3: Victoria couldn't go get buns without holding up the party. Sentence 4: She decided to serve the hot dogs on bread instead. Sentence 5: There were a few comments but most people were happy. Choices: a. Halloween Prank. b. Acceptable Substitutions.

b