Anchor:  Sea angling is permitted year rou nd, but river fishing requires a license.
Entailed: Whilst a license is required for river fishing, sea angling is allowed throughout the year. 
Contradiction: River fishing can be carried out without the need for a license. 
Contradiction: The girl is drinking the green water.
Contradiction: Men on a boat
Contradiction: The children are frowning.
Contradiction: A worker is painting.