Anchor: Kind of amazing those exams didn't eventually turn up in the private quarters at the White House.
Entailed: The exams were not found in the white house.
Contradiction: The exams were discovered in the private quarters of the White House.
Contradiction: The men are playing soccer.
Contradiction: Importance or meaning is assessed by estimating variability with the number set to obtain a probability that the regularity represents population characteristics. 
Contradiction: Politics and advertising has always remained separate from one another.
Contradiction: Installing the FGD will require more efforts than to install the ACI system.