system
impressed: My friend taught himself how to skate, and he just won his first competition.
gpt
My friend taught himself how to skate, and he just won his first competition.
human
Congrats to him!  What type of skating?
gpt
I'm not familiar with skating myself, but he was skating on some kind of rap and doing all kinds of tricks.
human
Oh, now I understand.  He is skateboarding. 