Original sentence: Management agencies in South Korea offer binding contracts to potential artists, sometimes at a young age.This "robotic" system of training is often criticized by Western media outlets.Trainees live together in a regulated environment and spend many hours a day learning music, dance, foreign languages and other skills in preparation for their debut
Edited sentence: Management agencies in South Korea offer contracts to potential artists, sometimes at a young age.This hard-working system of training is often criticized by Western media outlets.Trainees live together and spend many hours a day learning music, dance, foreign languages and other skills in preparation for their debut