YOU SAID:
My sister's pet's name is Sammy
INTO JAPANESE
私の姉のペットの名前はサミーです
BACK INTO ENGLISH
My sister pet's name is Sammy
INTO JAPANESE
私の姉のペットの名前はサミーです
BACK INTO ENGLISH
My sister pet's name is Sammy
That didn't even make that much sense in English.