YOU SAID:
what are you doing step brother
INTO JAPANESE
ステップ兄弟は何をしているの
BACK INTO ENGLISH
What are the step brothers doing?
INTO JAPANESE
兄弟がしているステップは何ですか?
BACK INTO ENGLISH
What steps are brothers doing?
INTO JAPANESE
兄弟はどんなステップをしていますか?
BACK INTO ENGLISH
What steps are brothers doing?
That didn't even make that much sense in English.