YOU SAID:
Why do you assume you are the smartest in the room
INTO JAPANESE
なぜあなたはあなたが部屋の中で最も賢いと思いますか
BACK INTO ENGLISH
Why do you think you are the smartest in the room
INTO JAPANESE
なぜあなたはあなたが部屋の中で最も賢いと思いますか
BACK INTO ENGLISH
Why do you think you are the smartest in the room
That didn't even make that much sense in English.