Anchor: Two boys practicing karate.
Entailed: Karate students working to hone their skills.
Contradiction: The top students of the two top schools stare at the wreckage before them and wonder if the destruction was worth winning the ice sculpting contest.
Contradiction: I wish you had never told me.
Contradiction: The person works on their art.
Contradiction: Models don't exist.
Contradiction: The people in the water are divers.