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: The man frowned. Sentence 2: The boy noticed. Sentence 3: The boy told his dad. Sentence 4: His dad looked at the man. Sentence 5: The man was no longer frowning. Choices: a. Frown. b. Summer Fun.

a