YOU SAID:
My cat is the best cat and you are the worst cat
INTO JAPANESE
私の猫は最高の猫であり、あなたは最悪の猫です
BACK INTO ENGLISH
My cat is the best cat and you are the worst cat
INTO JAPANESE
私の猫は最高の猫であり、あなたは最悪の猫です
That didn't even make that much sense in English.