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: Steve decided to get the grill running one evening. Sentence 2: He invited a few people over in his town to hang out with him. Sentence 3: The people he invited ended up inviting other people as well. Sentence 4: He ended up having 30 people show up to his BBQ. Sentence 5: He ended up having a good time and had enough food for everyone. Choices: a. Local BBQ. b. The Mixer.

a