You will be given a definition of a task first, then some input of the task.
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'.

Sentence 1: We were washing our clothes for the week. Sentence 2: While the machine being fill with water, we were watching TV. Sentence 3: I went down stairs to add detergent to the load of clothes. Sentence 4: Ten minutes later i checked on the clothes. Sentence 5: Suds overflow from the washing machine knee high covering the floor. Choices: a. Christmas Shopping. b. Machine Overflow.
Output:
b