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: Mark volunteered to help with his daughter's team. Sentence 2: He was named head coach! Sentence 3: He didn't know much about soccer, but he promised he would learn. Sentence 4: The team did well that year. Sentence 5: They won all of their games! Choices: a. Woody's Broken Heart. b. The Coach.

b