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'.

Sentence 1: Kate cleaned the viruses of her mom's computer. Sentence 2: She had done this as a favor more than one time. Sentence 3: But through her carelessness her mom getting viruses. Sentence 4: She wanted Kate to clean the computer again. Sentence 5: Kate refused to help any further. Choices: a. Full Hotel. b. Not Again.
b