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 had heard about a great new haircutting product called Flowbee. Sentence 2: It sounded really efficient and clean. Sentence 3: I bought one and used it to cut my own hair. Sentence 4: When I told my pals that I had cut my own hair, they were impressed. Sentence 5: Now they all want me to cut their hair with the Flowbee. Choices: a. Bike. b. Haircut.
Output:
b