It Is Not a Deceptive Trade Practice

It is not a deceptive trade practice:

A) if a well-known personality endorses a product without disclosing that he or she is being paid to do so.
B) if a well-known retailer baits a prospective customer by dangling an alluring offer and removes the offer once the customer arrives.
C) for a well-known personality to endorse two competing products at the same time.
D) if a well-known seller refuses to demonstrate the advertised product.
E) if a well-known seller fails to stock enough of the advertised product to meet anticipated demand.