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: It was a hot day out. Sentence 2: As a result, Kelsi wanted to have an ice cream party. Sentence 3: She got her friends together to have a party. Sentence 4: They got the ice cream out. Sentence 5: It was the party of the year. Choices: a. Out of breath. b. Ice cream party.

b