Given the task definition and input, reply with output. 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'.

Sentence 1: We drove to a nearby college to compete in a band tournament. Sentence 2: It was very cold, and we were freezing sitting in our seats watching. Sentence 3: It didn't help that we were drinking concession stand sodas. Sentence 4: I made a friend angry with me, and he threw his cup of soda and ice. Sentence 5: It went all over me and down my shirt. Choices: a. Rubik's. b. Band Performance.
b