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: Lawrence always wanted to be an astronaut. Sentence 2: He trained and studied hard. Sentence 3: He passed the astronaut test on the first try. Sentence 4: He was overjoyed to learn that his first mission would be to the moon. Sentence 5: Lawrence flew to the moon and back on the spaceship. Choices: a. The Pasta. b. Flight to the Moon.

b