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: Denise's daughter was very interested in music. Sentence 2: She decided to enroll her daughter in piano classes. Sentence 3: Denise bought her daughter a keyboard to practice at home. Sentence 4: Her daughter practiced every night. Sentence 5: The instructor told Denise how impressive her daughter was. Choices: a. Twister. b. The Pianist.
b