文脈 ぶんみゃく自由 じゆう言語 げんごでしょう
bun myakujiyūgengodeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 文脈自由言語

1. Probably free-context language.; Likely a free-context language.

Polite
Presumptive
Conjecture