樺太からふと千島ちしま交換こうかん条約じょうやくではありません
kara futo chi shimakōkanjōyakudewārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 樺太千島交換条約

1. It is not the Sakhalin-Kurile Islands Exchange Treaty.

Negative
Polite
Formal Register