YOU SAID:
a duck is a bird is a plane is a man is a superman
INTO JAPANESE
アヒルは鳥です飛行機は男ですスーパーマンです
BACK INTO ENGLISH
Ducks are birds Airplanes are men Superman
INTO JAPANESE
アヒルは鳥です飛行機は男性ですスーパーマン
BACK INTO ENGLISH
Ducks are birds Airplanes are men Superman
You've done this before, haven't you.