YOU SAID:

Who else came to this party to eat the fancy mustard?

INTO JAPANESE

豪華なマスタードを食べるこのパーティーに来た誰の?

BACK INTO ENGLISH

Who came to eat fancy mustard, this party's?

INTO JAPANESE

豪華なマスタード、このパーティーを食べに来たか。

BACK INTO ENGLISH

Do you come to eat the fancy mustard, this party it?

INTO JAPANESE

あなたは豪華なマスタードを食べに来て、これはそれをパーティーか。

BACK INTO ENGLISH

You come to eat the fancy mustard, this or that party.

INTO JAPANESE

あなたは豪華なマスタード、またはこを食べに来てください。

BACK INTO ENGLISH

You should come to eat fancy mustard, as well as this.

INTO JAPANESE

これと同様、豪華なマスタードを食べに来てください。

BACK INTO ENGLISH

Just like this, please come to eat luxurious mustard.

INTO JAPANESE

ちょうどこのように、豪華なマスタードを食べに来てください。

BACK INTO ENGLISH

Just like this, please come to eat luxurious mustard.