包括 ほうかつ てき かく実験 じっけん禁止 きんし条約 じょうやくでしょう
hō katsu tekikakujikkenkinshijōyakudeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 包括的核実験禁止条約

1. Probably the Comprehensive Nuclear-Test-Ban Treaty.

Polite
Presumptive
Conjecture