Anchor: A few boats ride in the water in front of a city skyline.
Entailed: Some boats are in the water in front of the city skyline.
Contradiction: There are no boats in the water in front of the city skyline.
Contradiction: No one would be interested in these.
Contradiction: The animal is walking outside in the snow.
Contradiction: Nobody is sitting.
Contradiction: A man is playing baseball.