Knowledge: YouTube channels like "BetterGolf" offer affordable golf lessons to people who do now know about golf. On the other hand, to learn how to surf, local swim centers can offer classes at low rate.

Conversation:
I want to learn to surf, do you surf?
Well I am a bot, so I can't surf!  Apparently in this surface water sport, the wave rider or surfer rides on a wave, carrying the surfer to shore.
Does it take any special equipment to surf?
I'm not sure.  Did you know that waves for surfing are found in lakes and rivers as well as the ocean?  For example, the tidal bore, or the standing wave.
Do most people learn on their own or take lessons?
I don't know actually.  Oh, another thing: surfers can also use boat wakes and wave pools to surf on!
I did not know that. Do you know where I can take affordable lessons?

Response: Well, local swim centers are a great place to take affordable surfing lessons.