Anchor: 3 women are playing beach volleyball, with one about to spike, one about to block, and the other looking on.
Entailed: The women are playing beach volleyball.
Contradiction: The three women are having dinner.
Contradiction: There is a gleaming marble fountain outside the park.
Contradiction: I have a friend that goes to the University of Texas.
Contradiction: He had no idea how to secure the files. 
Contradiction: People are working.