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: Joy went to the dentist. Sentence 2: The dentist said she needed a root canal. Sentence 3: Joy had to schedule another visit. Sentence 4: Joy returned to the dentist. Sentence 5: She had the surgery done at the dentist office. Choices: a. Clark runs out of gas. b. The Root Canal.

b