YOU SAID:
it is a party in the usa
INTO JAPANESE
それはアメリカのパーティーです
BACK INTO ENGLISH
It is an American party
INTO JAPANESE
アメリカのパーティーです
BACK INTO ENGLISH
American party
INTO JAPANESE
アメリカのパーティー
BACK INTO ENGLISH
American party
That didn't even make that much sense in English.