Anchor: One man is standing in an office and talking to another man sitting by a laptop.
Entailed: Some people are in an office.
Contradiction: Two men are singing onstage.
Contradiction: The man is sleeping in his living room.
Contradiction: The doorway marked B will lead to the servants' quarters.
Contradiction: The population density of an area is a good indication of how much postal density one will encounter. 
Contradiction: The question for the day did not return many responses.