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'.
Q: Sentence 1: Colleen bought two dogs today. Sentence 2: They are both puppies and need to be trained. Sentence 3: Every morning they go to the bathroom in the house. Sentence 4: Colleen took them to a one month obedience school. Sentence 5: A month later there were no more bathroom accidents. Choices: a. Two Sport Athlete. b. New Puppies.
A:
b