ケネディ大統領 だいとうりょう暗殺 あんさつ事件 じけんだったら
kenedi daitōryōansatsujikendattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of ケネディ大統領暗殺事件

1. If/When the Kennedy assassination happened; Had the Kennedy assassination occurred

Tara Conditional