ななつの つみ げんじゃありませんでした
nanatsuno tsumigenjārimasendeshita

Noun
Desu Copula

The polite, past negative form of 七つの罪源

1. It was not one of the Seven Deadly Sins.; It wasn't a source of the Seven Deadly Sins.

Past/Perfective
Negative
Polite
Terminal Form