Anchor:  In the old town of steep, cobbled streets, curious dead ends, and unexpected vistas, a map isn't really necessary.
Entailed: You don't need a map to go through the old town.
Contradiction: You absolutely need a map to navigate through the old town.
Contradiction: I rarely get credit card offers.
Contradiction: The man is outdoors.
Contradiction: The men and woman are eating steak entrees.
Contradiction: A couple of guys are practicing martial arts on the mat.