Anchor: The dolphins swim in a netted section of the sea and are occasionally taken out into the open sea for a taste of freedom.
Entailed: Dolphins are contained in a netted area but sometimes are allowed to swim in the open ocean.  
Contradiction: There are no captive dolphins contained here.  
Contradiction: The public agreed with Salinger's Agent's decision to forbid the site from using the quote.
Contradiction: He is trying to block a hit.
Contradiction: Surfers are laying in the sand.
Contradiction: Does it matter that savings have declined, because household wealth has increased?