This heptagon-shaped object is very unique, isn't it?

His art is really unique.

Even if you are rich, you cannot buy everything.

He is not at all lazy.

This objet d'art is a very expensive piece of art.

This object is very beautiful.

This book is very interesting.

At the airport, drug dogs are sniffing passengers' luggage.

Please calculate the area of this rectangle.

His language is vulgar, and I don't like it.