Mary: What did you do today, Nack?
Nack: I ate KASHIWA-MOCHI this afternoon.
Mary: KASHIWA-MOCHI? What's that?
Nack: It is one of a Japanese sweets called WAGASHI.
Mary: Oh, that's interesting.
Nack: Japanese people usually eat Kashiwa-Mochi at May 5th every year.
Mary: Why?
Nack: May 5th is a national holiday in Japan.