YOU SAID:

Cat that was cat is not cat but hat cat bat mat cat cat cat

INTO JAPANESE

猫だった猫は猫じゃないけど帽子猫バットマット猫猫猫

BACK INTO ENGLISH

A cat who was a cat is not a cat but a hat cat Bat mat cat cat cat

INTO JAPANESE

猫だった猫は猫ではなく帽子猫バットマット猫猫猫

BACK INTO ENGLISH

A cat who was a cat is not a cat but a hat cat Bat mat cat cat cat