Which of the following could not be registered as a trademark? Select one: O a. A logo or picture which does distinguish the applicant's goods or services from those of another. O b. A shape, colour, sound or scent which does distinguish the applicant's goods or services from those of another. O c. A word which does not distinguish the applicant's goods and services from those of another. O d. A phrase which does distinguish the applicant's goods or services from those of another