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: Kate was playing a huge going away party for her brother. Sentence 2: She invited thirty of both their closes friends and family. Sentence 3: She even booked a DJ to play at the event. Sentence 4: Kate order a lots of food and drinks for the party. Sentence 5: Her brother was very happy with the surprise party. Choices: a. The Party. b. Video game.

a