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: I was shopping for some coffee at a grocery store. Sentence 2: The grocery store had an aisle that sales coffee. Sentence 3: The aisle smelled really good. Sentence 4: I couldn't tell which coffee was what by the smell. Sentence 5: I ended up grabbing a variety of coffee bags. Choices: a. John's New Puppy. b. Coffee aisle smell.
Output:
b