Anchor: Sometimes the operative constraint is physical--you can't build airports just any old place.
Entailed: The space needs to be taken into consideration.
Contradiction: They are able to put an airport on any piece of land.
Contradiction: A man is performing a trick on the beach.
Contradiction: Something about Mr. Whittington wasn't right. 
Contradiction: The man is sitting on the bench.
Contradiction: We just moved so we won't go on a camping trip again until next summer.