YOU SAID:

The cat ate another cat while the third cat eats the one cat and then the dog eats the cat while the cat eats the dog

INTO JAPANESE

猫が別の猫を食べ、3匹目の猫が1匹目の猫を食べ、そして犬が猫を食べ、猫が犬を食べる

BACK INTO ENGLISH

A cat eats another cat, then a third cat eats the first, then a dog eats a cat, then a cat eats a dog.

INTO JAPANESE

猫が別の猫を食べ、次に3匹目の猫が最初の猫を食べ、次に犬が猫を食べ、次に猫が犬を食べます。

BACK INTO ENGLISH

A cat eats another cat, then a third cat eats the first, then a dog eats a cat, then a cat eats a dog.