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 and Jana had decided to go to their first yoga class. Sentence 2: They were very apprehensive, but also a bit excited. Sentence 3: The yoga teacher began class with some very difficult poses. Sentence 4: Jana and Steve could not manage to do any of them. Sentence 5: They did their best, but realized they had come to the wrong class. Choices: a. Moving truck. b. Yoga Class.

b