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: A few weeks ago my friend Tessa and I went to the beach. Sentence 2: I was so excited because it was ages since I went to the ocean. Sentence 3: When we settled down, Tessa lathered on the sunscreen but I did not. Sentence 4: A few hours later I noticed I was as red as a lobster. Sentence 5: That night I experienced so much pain I couldn't sleep. Choices: a. Flashing lights. b. The worst sunburn.

b