Bettie's Boutique Recently Instituted a New Policy for Returns That

Bettie's Boutique recently instituted a new policy for returns that states,"Happy returns.Any item,anywhere,anytime.It's that easy." Bettie's Boutique's return policy is an example of a(n) :

A) Marketing testimonial
B) Implicit service promise
C) Word-of-mouth communication
D) Past experience influencer
E) Explicit service promise