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: Every time Jan and Susan went out to lunch, Susan showed up late. Sentence 2: Jan was tired of waiting, and cross that her friend was disrespectful. Sentence 3: The next time, she told Susan to meet her at noon at the restaurant. Sentence 4: Jan wrote 12:30 pm in her own calendar, so she didn't have to wait. Sentence 5: It was a smart solution, and they were able to remain friends! Choices: a. Ronald Got Fired. b. The Punctual Friend.

b