Anchor:  Less than four nautical miles separate Formentera, with its long sandy beaches, from Ibiza.
Entailed: Four nautical miles separate Formentera from Ibiza.
Contradiction: Formentera is very far from Ibiza
Contradiction: This approach requires only one week.  
Contradiction: Cynthia said they were busy but might do it if they had time.
Contradiction: A marble sculpture at an art museum.
Contradiction: A government program this big would take a very long time to transition.