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: Ava begged her dad to stop for ice cream. Sentence 2: She had barely finished her Happy Meal, but he conceded anyways. Sentence 3: As he expected, Ava could hardly eat more than two licks of ice cream. Sentence 4: Most of it melted all over her face and dress! Sentence 5: But her dad sighed and smiled to see Ava's messy happiness. Choices: a. New kid at school. b. Ice Cream.

b