民族 みんぞく だい虐殺 ぎゃくさつじゃなかったです
minzoku daigyakusatsujanakattadesu

Noun
Desu Copula

The polite, past negative form of 民族大虐殺

1. Wasn't a genocide.; Wasn't a mass slaughter of an ethnic group.

Past/Perfective
Negative
Polite
Casual Register