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: Hannah invited her friends over. Sentence 2: They were going to have one more sleepover before the summer ended. Sentence 3: They all brought snacks and games. Sentence 4: The next morning, they were exhausted. Sentence 5: They had stayed up all night. Choices: a. The Sleepover. b. The S'mores.

a