Which of the Following Is an Example of a Product

Which of the following is an example of a product developing secondary meaning?

A) Customers identify a certain color as identifying a company's product.
B) Customers hear of the term through a secondary source such as media advertising.
C) A company has illegally misappropriated a trademark and has used it in second place to identify a product.
D) A company has agreed to only use a trademark secondarily after the primary user has abandoned it.
E) A product has secondary meaning in the minds of consumers as to usefulness.