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: I went to a friend's house. Sentence 2: We watched the Olympics opening ceremony. Sentence 3: We had barbecue. Sentence 4: I brought dip. Sentence 5: I left once it was over. Choices: a. turtles. b. Olympics Party.

b