包括ほうかつてきかく実験じっけん禁止きんし条約じょうやくじゃないです
hō katsu tekikakujikkenkinshijōyakujanaidesu

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 包括的核実験禁止条約

1. It's not the Treaty on the Prohibition of Nuclear Weapons.

Negative
Polite
Casual Register