生物 せいぶつ多様 たよう せい条約 じょうやくじゃなかったです
seibutsuta yōseijōyakujanakattadesu

Noun
Desu Copula

The polite, past negative form of 生物多様性条約

1. Biodiversity Convention wasn't.; It wasn't the Biodiversity Convention.

Past/Perfective
Negative
Polite
Casual Register