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: Jan's mailman wasn't very competent. Sentence 2: When Jan moved she got a new mailman. Sentence 3: Jan's new mailman was very good at her job. Sentence 4: Jan was so pleased that she tipped her new mailman. Sentence 5: The new mailman was happy to have Jan as a customer. Choices: a. New Mailman. b. Death With Honor.

a