3 (d) No, not correct.

The materials are not in any way unusual for a sofa, even if the form and color choices are.

The example below, however, displays inappropriate use of material for a garment. However, to be fair, we must remember that the intention of the maker was to create an art work that comments on womens self-image and roles. With this intended function in mind, the materials are in fact quite suitable to the function!