Which of the following is not a good example of brand positioning?

a$.$

When someone thinks of designer purses, they think of knock$-$off imitations.

b$.$

When someone thinks of chocolate that doesn$$t melt, they think of M&M$$s$.$

c$.$

When someone thinks of luxury cars, they think of BMW$.$

d$.$

When someone thinks of good customer service in fast$-$food, they think of Chick$-$Fil$-$A$.$

e$.$

When someone thinks of pizza delivery, they think of Domino$$s$.$