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: Smith was a commercial airline pilot. Sentence 2: He flew four flights a day, every day. Sentence 3: He grew bored of flying the same routes over and over again. Sentence 4: He decided that he would join the military to fly. Sentence 5: Smith now pilots fighter jets overseas. Choices: a. Piloting. b. Good Things Happen With Time.

a