Anchor: Theoretically there should be a frontier hut, but there isn't a single customs official and the border has been unguarded for over 300 years.
Entailed: It is commonplace to have a frontier hut. 
Contradiction: There is thorough border patrol and guarding.
Contradiction: I refused to turn around.
Contradiction: Two people are talking to each other.
Contradiction: A woman sitting on the sidewalk photographed at an angle that makes her look headless.
Contradiction: If the Postal Service wants to change the rate it has to make a request to the Postal Rate Commission.