Definition: 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'.
Input: Sentence 1: Barry was invited to a roller skating party. Sentence 2: He didn't know how to skate. Sentence 3: His Mom bought him a pair of roller skates. Sentence 4: He practiced outside for an hour each day. Sentence 5: When the day of the party came, Barry had become a good skater. Choices: a. Theme Park. b. Learning to Skate.

b