All of the following can be trademarked, with one exception. Choose the EXCEPTION: Select one: O a. Combinations of words, such as the 'Snap, Crackle, Pop" associated with a particular cereal. O b. The shape of a chair. O c. A symbol used on a company's gift boxes which the public knows is connected to that company's brand. O d. A company slogan such as "Roll up the rim", which the public identifies with the company.