Anchor: Since these costs are variable in the long run and we do not know how other postal administrations deal with them, we parameterize them for purposes of modeling.
Entailed: It is not known how the admins handle them.
Contradiction: They knew exactly how it was processed.
Contradiction: I really don't like talking to you. 
Contradiction: Time didn't permit discussion on financial literacy even thought it needed to be addressed 
Contradiction: The dogs run about the city streets.
Contradiction: The number of households has been increasing every year.