Knowledge: There are over 500 different types of rice in the world. On the other hand, there are over 5000 varieties of teas to enjoy.

Conversation:
I love Tea. It is so good.
Oh do you!  Tea is made from an Asian evergreen shrub, called "Camellia sinensis." The leaves are cured, and once hot water is pour over them, the resulting beverage is aromatic.
I think earl gray is the best in my opinion.
Ah, really?  Oh did you know that after water, tea is the most consumed beverage?
Oh wow! Do you know how many types of teas are there?

Response: Oh yes! There are over 5000 different types of teas.