YOU SAID:
I will eat all of the onions and a cat.
INTO JAPANESE
玉ねぎと猫を全部食べます。
BACK INTO ENGLISH
Eat all onions and cats.
INTO JAPANESE
すべての玉ねぎと猫を食べる。
BACK INTO ENGLISH
Eat all onions and cats.
That didn't even make that much sense in English.