Use "brainchild" in a sentence

1. The demonstration last year was called the “March for the Federalization of Siberia,” and it was the brainchild of a small group of former Nationalist Bolshevik activists, who’d soured on that movement, after leader Eduard Limonov’s “turn to the dark side” on the Ukraine question.

지난해 일어난 시위는 “시베리아 연방을 위한 행진”이라 불렸고, 소규모 민족주의적 볼셰비키 활동가 집단이 시작한 시위였다.