Anchor: In this paper we examine the hypothesis that the cost model provides reasonable estimates of the unit costs of other posts of industrialized countries.
Entailed: Postal services of industrialized foreign countries are monitored.
Contradiction: It isn't possible to estimate costs without going through the budget office of each country.
Contradiction: Martial artist is juggling with balls.
Contradiction: If it caused trouble for a trooper, they would lie.
Contradiction: The clothing that the men wore aren't that noticeable. 
Contradiction: the two guys are dancing with two other guys.