Instructions: 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: Alexa was on vacation with her boyfriend. Sentence 2: She was having a nice time but she was also upset. Sentence 3: Her boyfriend seemed distracted and sneaky all week. Sentence 4: Just as she planned to confront him, he told her he loved her. Sentence 5: Suddenly, he was on his knee proposing and Alexa said yes. Choices: a. The Grand Escape.. b. The Proposal.
Output:
b