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: Henry ordered some pizza. Sentence 2: The pizza arrived late. Sentence 3: Henry complained to the driver. Sentence 4: The driver gave Henry a discount. Sentence 5: Henry gave the driver a big tip. Choices: a. Cold Pizza. b. Torture.

a