Anchor: Except among antiques, art, and secondhand dealers, where negotiation is part of the business, you may get a very cool response if you question (however politely) the marked price.
Entailed: You can negotiate with antiques, art, and secondhand dealers.
Contradiction: It's impossible to get the price down with antiques, art, and secondhand dealers.
Contradiction: Two ladies talk to a girl with a white plastic bag.
Contradiction: The child is jumping.
Contradiction: A man destroys the playground with a bulldozer.
Contradiction: Private industry could collect all the mail and give it to postal services.