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: Alice was taking a music course. Sentence 2: Her instructor told the class they needed to attend the orchestra. Sentence 3: Alice asked her friends if they would join her. Sentence 4: Her friends agreed to go along. Sentence 5: Alice and her friends went to the orchestra. Choices: a. Lightning Storm. b. The Orchestra.

b