Anchor: Among the sickest patients waiting were some 12 who needed new heart valves.
Entailed: Twelve patients were considered the sickest due to their need for new heart valves.
Contradiction: Two patients were considered the sickest due to their hairy tongues.
Contradiction: We need more immigrants.
Contradiction: Our work has shown that agencies can improve the extent to which they devolve authority 
Contradiction: Two people are walking down a street
Contradiction: a man is thrown off a bull