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: Gabe was eating lunch with his friends. Sentence 2: They liked to play jokes on each other. Sentence 3: When Gabe went to the restroom, his friend put salt in his soda. Sentence 4: Gabe returned and gagged as he took a sip of his drink. Sentence 5: His friends all roared with laughter. Choices: a. A Prank. b. all you can eat.

a