公安 こうあん調査 ちょうさ ちょうじゃありませんでした
kōanchōsachōja arimasendeshita

Noun
Desu Copula

The polite, past negative form of 公安調査庁

1. Was not the Public Security Intelligence Agency.; Was not from the Public Security Intelligence Agency.

Past/Perfective
Negative
Polite
Terminal Form