YOU SAID:
Track what's in whose brain
INTO JAPANESE
誰の頭脳に何があるかを追跡する
BACK INTO ENGLISH
Keep track of who's brain
INTO JAPANESE
誰が頭脳なのかを追跡する
BACK INTO ENGLISH
Track who is the brain
INTO JAPANESE
誰が脳なのかを追跡する
BACK INTO ENGLISH
Track who is the brain
You've done this before, haven't you.