"Hello R., how are you?"
"Hi M.! I'm at the beach now, finally relaxing after months of work."
"I wanted to ask you this: did you remember, three years ago, when you helped me move the downloaded movies to my external hard disk?"
"Er... yes?"
"Well, today I tried to start my computer and it's showing me a black screen telling \"disk boot failure, insert system disk\", do you know how to solve it? Before you worked on it, it used to work as a charm..."