Anchor: A black and white dog is running through the water while holding something red in its mouth.
Entailed: A dog is running.
Contradiction: A cat is running with a ball of yarn.
Contradiction: Jon was looking underwater. 
Contradiction: We told the representatives that we were not interested in copies of his calendar.
Contradiction: Anse and Drew lay calmly on a beach relaxing in the sunshine.
Contradiction: Due to medical professionals being uninformed about many poisons, there were many instances where poisoning cases went undetected.