YOU SAID:
My cat is at the library
INTO JAPANESE
私の猫は図書館で
BACK INTO ENGLISH
My cat is in the library
INTO JAPANESE
私の猫は、ライブラリ
BACK INTO ENGLISH
My cat is a library
INTO JAPANESE
私の猫はライブラリ
BACK INTO ENGLISH
My cat's library
INTO JAPANESE
私の猫のライブラリ
BACK INTO ENGLISH
My cat library
INTO JAPANESE
私の猫の図書館
BACK INTO ENGLISH
My cat library
That didn't even make that much sense in English.