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: John and Jim wanted a pizza. Sentence 2: Jim called the pizza company and asked for delivery. Sentence 3: The pizza company said it would be there in less than 30 minutes. Sentence 4: Jim and John waited and at exactly 30 minutes someone knocked. Sentence 5: John and Jim got their pizza on time. Choices: a. Pizza Delivery. b. The Full Dishwasher.

a