Anchor: uh as being a major source of pollution and they've uh ignored the trucks entirely
Entailed: They've ignored the trucks entirely because they were a major source of pollution.
Contradiction: They paid great attention to the trucks because they were ecologically economical. 
Contradiction: An acrobat throws three objects in the air.
Contradiction: Some people are looking out a window.
Contradiction: A kid is bouncing a ball at the park.
Contradiction: The museum in Athens has much of the artwork here.