Anchor: Three African children wave as they float by on their man made boat.
Entailed: Three children are on a boat.
Contradiction: Three Asian children wave as they float by on their man made boat
Contradiction: A man drove his car.
Contradiction: Yes, they create a lot of soot, but it doesn't stay in the air long.
Contradiction: I have no sympathy for them at all.  
Contradiction: A man is looking at something near a structure.