Knowledge: Golf is very popular amoung many countries, while karate is also enjoyed in South and North Korea.

Conversation:
I love karate. I took it earlier when I was younger.
Very interesting. I know that karate came to japan only in the beginning of the 20th century. Did you know that?
Interesting. I had always thought it originated in China.
It actually became popular in okinawa after the second world war among the men that were serving there
It goes back quite a long way. It is good for the mental well being also.
Oh definitely. The movies that came out in the 60's and 70's helped to increase the popularity of it around the world.
It sure is popular. Do you know other countries that does it?

Response: Yeah, South and North Korea also enjoy karate.