Anchor: Two people are skateboarding as several other people observe and take photos of them.
Entailed: Photos are being taken of people.
Contradiction: Everyone is ignoring the skateboarders as they attempt to draw attention to themselves.
Contradiction: You need to be unplugged. 
Contradiction: a tball players hits a grounder
Contradiction: A man walks by the restaurant where is dumped girl was waiting for him.
Contradiction: I love that show.