Anchor: Two guys at a bar one dark-skinned and one light-skinned.
Entailed: Two guys spend time at a bar.
Contradiction: Two women at a bar drink beer and celebrate.
Contradiction: There were no operations being coordinated with the Department of Justice.
Contradiction: It is very likely that the number is closer to 12 than it is to two or three. 
Contradiction: The Rajput princes would never visit the arcade, neither would the administrators. 
Contradiction: A man is wearing a black shirt.