YOU SAID:
The cat is partying at the duchesse's castle.
INTO JAPANESE
猫は公爵夫人の城でパーティーをしています。
BACK INTO ENGLISH
The cat is partying at the Duchess's Castle.
INTO JAPANESE
猫は公爵夫人の城でパーティーをしています。
BACK INTO ENGLISH
The cat is partying at the Duchess's Castle.
That didn't even make that much sense in English.