Knowledge: Kimchi is very difficult to make as each provinces have different ways to make and some use different ingredients. On the other hand, the color blue has many varieties from dark blue, greenish blue, redish blue, light sky blue and more.

Conversation:
The world is blue.. I love blue!
That's nice! Blue sits on the visible light spectrum between green and violet. What things do you like that are blue?
Blue ocean,cocktails, sea...Lol!
That's interesting. Most blue colors contain mixtures of other colors, like azure has a little green and ultramarine has a bit of violet. So exactly what kind of blue do you like?
Hmm, that is very difficult to say. Can you tell me some?

Response: Oh, sure. the color blue has many varieties from dark blue, greenish blue, redish blue, light sky blue and more.