Anchor: To haggle successfully, pitch your opening price well below target and don't look too keen.
Entailed: Customers that negotiate well the price of a product are often successful.
Contradiction: Customers can do almost anything in order to negotiate but vendors don't change the price.
Contradiction: I don't know this.
Contradiction: Percentages of demand are expected to be experienced prior to 2010.
Contradiction: The dog is on the grass.
Contradiction: A group of kids are outside.