Anchor: A boat floats down a river with lush forest on either side.
Entailed: a boat can float
Contradiction: a boat in the deep sea
Contradiction: A road worker is watching TV at home in his uniform.
Contradiction: Whilst a license is required for river fishing, sea angling is allowed throughout the year. 
Contradiction: The girl jumped from a swing.
Contradiction: The little boy plays on the slide at the park.