ぬるでじゃなかったです
白膠木じゃなかったです
nurudejanakattadesu

Noun
Desu Copula

The polite, past negative form of ぬるで

1. Wasn't white birch.; Wasn't a white birch tree.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana