Anchor: I was delighted to discover skyward prongs in the ledges of the Basilico San Marco in Venice, designed to prevent pigeons from alighting there.
Entailed: To discourage birds from landing on the ledges spikes were added.
Contradiction: People prefer pigeons to be allowed to perch on the legs.
Contradiction: A family is dirving their van through the snow.
Contradiction: A woman is pointing.
Contradiction: They are taking individual photos.
Contradiction: The changes can only be implemented with the necessary human capital and monetary resources.