自爆 じばく攻撃 こうげきではありませんでした
jibakukōgekidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 自爆攻撃

1. Was not a self-destruct attack.; Was not a suicide attack.

Past/Perfective
Negative
Polite
Formal Register