陸軍 りくぐん士官 しかん学校 がっこうでしょう
rikugunshikangakkōdeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 陸軍士官学校

1. Probably a military academy.; Possibly a military officer academy.

Polite
Presumptive
Conjecture