Anchor: There are two individuals who are performing with musical instruments.
Entailed: People are playing music.
Contradiction: Two people are playing cards.
Contradiction: It took us forever to figure out what the issue was. 
Contradiction: Deng's successors do not possess his level of influence.
Contradiction: The house is large, sterile, and uncomfortable.
Contradiction: I have a friend that goes to the University of Texas.