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: Lance is a lifeguard on a beach. Sentence 2: He notices a kid drowning. Sentence 3: He runs into the ocean. Sentence 4: He saves the kid from drowning. Sentence 5: Lance is a hero lifeguard. Choices: a. Lump. b. Lance saves the kid.

b