勧善 かんぜん懲悪 ちょうあく げきでしょう
kanzenchōakugekideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 勧善懲悪劇

1. Probably a morality play.; Likely a tale of good triumphing over evil.

Polite
Presumptive
Conjecture