尖閣 せんかく沢蟹 さわがにであれば
senkakusawaganideareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 尖閣沢蟹

1. If it were Senkaku Sawagani crab; If Senkaku Sawagani crab existed

Ba Conditional