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: The couple always shared the house's chores. Sentence 2: They would do the dishes, for instance, whenever convenient. Sentence 3: Once, one of the pair was quite busy and the other did them for days. Sentence 4: This caused some resentment to build up between them. Sentence 5: The other of the pair made up for it by taking over for a while after. Choices: a. New Bike. b. Washing the Dishes.

b