YOU SAID:
I want to go to a cool party
INTO JAPANESE
クールなパーティーに行きたいです。
BACK INTO ENGLISH
You want to go to a cool party.
INTO JAPANESE
あなたはクールなパーティーに行きたいです。
BACK INTO ENGLISH
You want to go to a cool party.
That didn't even make that much sense in English.