YOU SAID:
Dude your sister is right. You are stupid!
INTO JAPANESE
あなたのお姉さんは正しいですね。バカじゃないの!
BACK INTO ENGLISH
Your sister is correct. you are stupid!
INTO JAPANESE
あなたの妹は正しいです。バカじゃないの!
BACK INTO ENGLISH
Your sister is correct. you are stupid!
Come on, you can do better than that.