Which of the following is TRUE regarding whether the shape of a product or package may be a trademark?

The shape of a product may be a trademark if it is nonfunctional, but the shape of a package may not be the subject of a trademark.

The shape of a product may be the subject of a trademark if it is functional, but the shape of the package may not be the subject of a trademark.

The shape of a product or package may be a trademark if it is functional.

The shape of a product or the shape of a package may be a trademark if it is nonfunctional.

The shape of a package may be a trademark if it is nonfunctional, but the shape of a product may not be the subject or a trademark.