YOU SAID:

It was A DUCK but not a duck

INTO JAPANESE

それはアヒルでしたが、アヒルではありませんでした

BACK INTO ENGLISH

It was a duck, but it wasn't a duck

INTO JAPANESE

アヒルでしたが、アヒルではありませんでした

BACK INTO ENGLISH

It was a duck, but it wasn't a duck