放射 ほうしゃ のう攻撃 こうげきではありませんでした
hōshanōkōgekidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 放射能攻撃

1. Was not a radiation attack.; It was not a radiation attack.

Past/Perfective
Negative
Polite
Formal Register