YOU SAID:
bananas are bananas aren't bananas
INTO JAPANESE
バナナはバナナでバナナはないです。
BACK INTO ENGLISH
No bananas in banana banana.
INTO JAPANESE
バナナ バナナ バナナはありません。
BACK INTO ENGLISH
Banana banana banana.
INTO JAPANESE
バナナ バナナ バナナ。
BACK INTO ENGLISH
Banana banana banana.
That didn't even make that much sense in English.