原子 げんし りょく安全 あんぜん保安 ほあん いんじゃありませんでした
genshiryoku anzen hoan'injārimasendeshita

Noun
Desu Copula

The polite, past negative form of 原子力安全保安院

1. Was not the Nuclear Safety Authority.; Was not part of the Nuclear Safety Authority.

Past/Perfective
Negative
Polite
Terminal Form