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: Chavez has always been scared of heights. Sentence 2: One day, he had to go on an airplane to Mexico. Sentence 3: He feared that the airplane would crash. Sentence 4: Chavez prayed nothing would happen and went on the airplane. Sentence 5: Chavez was able to safely reach Mexico. Choices: a. Airplane. b. Dentist.

a