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It's an island.
I am the Prime Minister of this island.
You've come from Japan, welcome. We're a poor island, but we're delighted to do trade with Japan.
Japan is a major power and has treated poor countries coldly. But we think Japan is kindhearted...
Is there anything in that ship we can buy cheaply?
この中はカラッボだっ こんな船 タダでくれてやる！
This ship is empty! You can have it.
タダ? エーッ タダクレルカ
Have it? E-h! For free?