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 decided to take acting lessons. Sentence 2: When I went to the class, the teacher didn't show up. Sentence 3: It was only a bunch of students waiting. Sentence 4: It turns out the teacher was pretending to be one of the students. Sentence 5: We were all impressed with the wonderful acting lesson we learned. Choices: a. Acting lessons. b. A Modest Proposal.

a