YOU SAID:
The cat is eating cat
INTO JAPANESE
猫は猫を食べています
BACK INTO ENGLISH
The cat is eating a cat.
INTO JAPANESE
猫は猫を食べている。
BACK INTO ENGLISH
The cat is eating the cat.
INTO JAPANESE
猫は猫を食べている。
BACK INTO ENGLISH
The cat is eating the cat.
You've done this before, haven't you.