雌雄 しゆう鑑別 かんべつじゃなかったです
shiyūkambetsujanakattadesu

Noun
Desu Copula

The polite, past negative form of 雌雄鑑別

1. Wasn't distinguishing between sexes.; Wasn't able to tell male from female.

Past/Perfective
Negative
Polite
Casual Register