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: Close to my job there is a doughnut shop. Sentence 2: My coworker loves them. Sentence 3: He brought me one once. Sentence 4: He tried to get a discount. Sentence 5: But for me it was free. Choices: a. Reunited. b. Doughnuts..

b