Anchor: The bargains or at least more authentic and tasteful products are to be found far from these main tourist centers, in artisans' workshops on the Giudecca, in the Dorsoduro behind the Zattere to be hunted down or stumbled upon by chance.
Entailed: Main tourist centers have the more expensive products than artisans' workshops.
Contradiction: Artisan workshops have the most expensive products.
Contradiction: I made sure everyone knew what we were talking about. 
Contradiction: The men are at differing heights next to the building.
Contradiction: A dad takes his toddler for a walk.
Contradiction: Two children playing a game.