Anchor: I do not understand why he looked at me when he said that.
Entailed: He looked at me when he said that. 
Contradiction: He deliberately looked away from me when he said that. 
Contradiction: We do not go to any classes at all
Contradiction: Did they come after the arrival of Central Asians, or Europeans?
Contradiction: A girl is playing the violin.
Contradiction: We have to rotate the horses and take turns,