くれないずわいがにじゃありません
紅ずわい蟹じゃありません
kurenai zuwaiganijārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of べにずわいがに

1. It is not red king crab.

Negative
Polite
Terminal Form
Usually Written in Kana