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: Theodore was staying at a hotel in Las Vegas. Sentence 2: The hotel in question had a wave pool. Sentence 3: Theodore brought his boogie board down to the pool area. Sentence 4: The wave pool was too crowded to enjoy the swells. Sentence 5: The swells never actually turned into waves anyway. Choices: a. Missing umbrella. b. Wave Pool.

b