the guy who saw a ghost!

I know a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who knows a guy who saw a ghost!