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: Bob had always wanted to fly an airplane. Sentence 2: After years of dreaming he finally signed up for lessons. Sentence 3: He spent months studying and practicing. Sentence 4: Last week Bob went on his first solo flight. Sentence 5: It was everything he had ever dreamed of. Choices: a. The Rug. b. Learning to Fly.

b