Anchor: A harnessed dog leaps over a log as another dog follows behind.
Entailed: The dog is jumping over a log.
Contradiction: The dog is walking.
Contradiction: Two girls play with the birthday girl.
Contradiction: The President talked about having a song with Monica.
Contradiction: A young woman catches a big wave on her surfboard.
Contradiction: A man in a blue sweatshirt and black cap showing off his photograph to others.