Tolong jelaskan mengenai Trainee : dari JKT48 Missions

Annisa Athia, Dellia Erdita, Dena Siti Rohyati, Fakhriyani Shafariyanti, Jennifer Rachel Natasya, Nadhifa Karimah, Novinta Dhini, Priscillia Sari Dewi, Saktia Oktapyani, Thalia Ivanka Elizabeth