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: Landon's ninth birthday party is a huge success. Sentence 2: He and his friends have been playing on the huge water slide. Sentence 3: It's so much fun, they don't even stop to reapply sunscreen. Sentence 4: Later that night, a sunburn can be seen on his face and shoulders. Sentence 5: Landon realized that mom really does know what's best! Choices: a. The Sunburn. b. The Ride to School.

a