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[noun] wa [noun] desuka.

[noun] wa [noun] dewa arimasen.

The interrogative in Japanese is easy. Put "ka" at the end of a sentence and it becomes a question. The negative form of "desu" is "dewa arimasen".

Kore wa hon desu ka.	(As for this,) is it a book?
Hai, hon desu.	Yes, it's a book.
Iie, hon dewa arimasen.	No, it isn't a book.

In answering the question, the topic is not repeated.