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: Lynn arrived at the school and joined the bean bag toss. Sentence 2: Her job was to pick up the bean bags and the kids through them. Sentence 3: She kept score for the team at her station. Sentence 4: At the end, she announced the winners. Sentence 5: Then, the kids rotated, and she instructed a new set of kids. Choices: a. Field Day Volunteer. b. Staying Warm in the Minnesota Winter.

a