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: John had a problem. Sentence 2: His sink was clogged. Sentence 3: He tried to call a repairman. Sentence 4: He got no answer. Sentence 5: John fixed the sink himself. Choices: a. Handyman. b. Lost Cat.

a