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: Marsha needed a can of beans opened. Sentence 2: None of her openers were working. Sentence 3: She asked her boyfriend to open it with a knife instead. Sentence 4: The man stabbed the lid several times until the lid could be pried up. Sentence 5: Marsha thanked him for his help. Choices: a. The Prank. b. Can Opening.

b