Anchor: Everyone has his or her own technique for getting the best price, but a couple of general rules decide in advance your spending limit and stick to it; and do it with a smile these people have seen it all and will not be brow-beaten.
Entailed: Everyone has their own technique for getting the best price. 
Contradiction: There is only one acceptable method of getting the best price. 
Contradiction: The color films of Hitler were never found.
Contradiction: Both the proposed and the final rulemaking exclude the statements required by section 202.
Contradiction: I was referring to your last ones.
Contradiction: Elena tried to understand the adventures in Latin America