YOU SAID:
A cat For cat found the cat found a the cat found a mouse
INTO JAPANESE
猫は猫を見つけました猫は猫を見つけました猫はマウスを見つけました
BACK INTO ENGLISH
Cat found cat Cat found cat Cat found mouse
INTO JAPANESE
猫発見猫猫発見猫猫発見マウス
BACK INTO ENGLISH
Cat discovery cat cat discovery cat cat discovery mouse
INTO JAPANESE
猫発見猫猫発見猫猫発見マウス
BACK INTO ENGLISH
Cat discovery cat cat discovery cat cat discovery mouse
That didn't even make that much sense in English.