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: Nobu was chopping onions. Sentence 2: He started to shed tears from the onion. Sentence 3: His wife walked in after work and saw his tears. Sentence 4: She liked his new sensitive side, and kissed him. Sentence 5: Nobu decided not to tell her the reason for his tears. Choices: a. Nobu. b. Firework Stand.

a