Anchor: In summer you can come to dip your feet in the sea and treat yourself to an ice cream or cotton candy; in spring or fall, enjoy a bracing stroll in the sea air.
Entailed: You can eat a treat and visit the sea.
Contradiction: There is nothing to do in either the summer or the winter. 
Contradiction: The water is always too cold to touch.
Contradiction: The woman is laying on the couch.
Contradiction: There are people jumping.
Contradiction: Man playing a video game in his living room, while sitting on a couch.