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: Martin decided to brew his own beer. Sentence 2: He bought everything he needed. Sentence 3: His first beer was not very good. Sentence 4: His friends got sick from it. Sentence 5: He was very unhappy. Choices: a. Martin's Beer. b. The Library.

a