日中 にっちゅう全面 ぜんめん戦争 せんそうでしょう
nicchū zemmensensōdeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 日中全面戦争

1. Probably a full-scale war between Japan and China.

Polite
Presumptive
Conjecture