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: Joey bought a brand new PC. Sentence 2: It only had an operating system installed. Sentence 3: Joey spent the day getting lots of programs for his new computer. Sentence 4: Unfortunately he forgot to get an antivirus program. Sentence 5: Joey had to wipe his computer clean several days later due to a virus. Choices: a. Track Star.. b. Software.

b