YOU SAID:

fishermen fish fish but fish don't fish men

INTO JAPANESE

漁師は魚を釣るが、魚は魚を釣らない

BACK INTO ENGLISH

Fisherman catches fish but fish does not catch fish

INTO JAPANESE

漁師は魚を捕まえるが、魚は魚を捕まえない

BACK INTO ENGLISH

Fishermen catch fish, but fish do not catch fish

INTO JAPANESE

漁師は魚を捕まえるが、魚は魚を捕まえない

BACK INTO ENGLISH

Fishermen catch fish, but fish do not catch fish