Anchor: It has an unusual triangular tower dating from the 13th century.
Entailed: There is a strange 13th-century triangular tower.
Contradiction: The tower is from the 15th century. 
Contradiction: The hikers are skiing down a snowy slope.
Contradiction: Edward D Halpern audits naturalistic some preliminary applications
Contradiction: Michigan didn't win anything last year.
Contradiction: All aspects of Arab culture are covered in the library.