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: Kathy and Wayne were going to go out of town for a week. Sentence 2: They had a puppy named Mugsy and needed him to be watched. Sentence 3: They called around to different places but no one would take him. Sentence 4: Kathy called her mother and asked her if she would watch him. Sentence 5: Her mother happily agreed to watch Mugsy. Choices: a. Dog Visitor. b. Good water.
a