地下 ちか てつサリン事件 じけんだったら
chikatetsusarinjikendattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 地下鉄サリン事件

1. If/when it was the Tokyo subway sarin attack.; If/when it had been the Tokyo subway sarin attack.

Tara Conditional