YOU SAID:

So who wants to party?

INTO JAPANESE

だから人はパーティーしたいですか。

BACK INTO ENGLISH

So do people want to party?

INTO JAPANESE

人はじゃあパーティーしたいの?

BACK INTO ENGLISH

Who do you want to party then?

INTO JAPANESE

パーティーがしたいか？

BACK INTO ENGLISH

Do you want to party?

INTO JAPANESE

パーティーがしたいか？

BACK INTO ENGLISH

Do you want to party?