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: Tom went to the beach with his family. Sentence 2: His little brother lost his footing and went under. Sentence 3: His family didn't notice until it was too late. Sentence 4: Tom was always traumatized by the experience. Sentence 5: He didn't return to the beach for decades. Choices: a. Beach Trip. b. Custom Computer.

a