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: Tom had never had a doctor check up. Sentence 2: He hadn't been able to afford insurance. Sentence 3: He was nervous about his first one. Sentence 4: Luckily everything went smoothly. Sentence 5: Tom was in surprisingly good health. Choices: a. Yearly Check up. b. Sky.

a