兄妹 きょうだい喧嘩 けんかじゃありません
kyōdaikenkajārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 兄妹喧嘩

1. It's not a sibling quarrel.; It's not a brother-sister fight.

Negative
Polite
Terminal Form