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: Ann and her friend went on a hot air balloon yesterday. Sentence 2: They loved being on it for the view but something happened. Sentence 3: The balloon caught on fire. Sentence 4: Ann screamed and she and her friend jumped out. Sentence 5: They were luckily they made it alive. Choices: a. Hot air balloon fire. b. Duke and the Peanut Butter Sandwich.

a