Knowledge: Snowboarding has many cool tricks like Blood Dracula and Chicken Salad while skateboarding has thrilling skills like Ollie Ollie and Nosegrind.

Conversation:
Skateboarding is a hobby of mine, I am not good at it, but I like it
Oh cool!  I understand that's an action sport, where one rides a skateboard and does tricks?
Yes! Tell me some cool skateboarding tricks.

Response: Sure, some thrilling skills are Ollie Ollie and Nosegrind.