性別 せいべつ役割 やくわり分業 ぶんぎょうではありませんでした
seibetsuyakuwari bun gyōdewa arimasendeshita

Noun
Desu Copula

The polite, past negative form of 性別役割分業

1. Was not a division of labor based on gender roles.

Past/Perfective
Negative
Polite
Formal Register