YOU SAID:

the dog ate a horse who ate a cat

INTO JAPANESE

犬、猫を食べた馬が食べちゃった

BACK INTO ENGLISH

I ate ate dog, cat, horse

INTO JAPANESE

食べた犬、猫、馬を食べた

BACK INTO ENGLISH

I ate ate the dogs, cats, horses

INTO JAPANESE

食べた犬、猫、馬を食べた

BACK INTO ENGLISH

I ate ate the dogs, cats, horses