Detailed Instructions: In this task, you're given a story (which contains five sentences only). Your task is to find all the characters which are available in the given story.
Q: Sentence1: My desktop computer stopped working the other day. Sentence2: I was able to figure out that my hard drive was screwed up somehow. Sentence3: I took it into Best Buy. Sentence4: They weren't able to help me at all. Sentence5: I'm glad I didn't have to pay anything.
A:
I (myself), Best buy