最初 さいしょのアクティビティ識別 しきべつ だったら
saishono akutibitishikibetsushidattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 最初のアクティビティ識別子

1. If it were the initial activity identifier; If the initial activity identifier were

Tara Conditional
Computing