Anchor: Leading north from the Piazza del Duomo, the huge croseshaped shopping arcade of the Galleria Vittorio Emanuele is a splendid steel and glass monument to the expansive commercial spirit of the 19th century, and a prototype of today's shopping mall.
Entailed: The Galleria Vittorio Emanuele leads north from the Piazza del Duomo.  
Contradiction: The Galleria Vittorio Emanuele is nowhere near the Piazza del Duomo. 
Contradiction: All the kids were taking aim at the little boy with their squirt guns as they road around and around on the Ferris wheel.
Contradiction: Two lines regarding revenues and costs were compared. 
Contradiction: The rider is sleeping
Contradiction: It would be very difficult in that case.