Anchor: A motocross rider doing a jump in front of an audience.
Entailed: A motocross rider is doing a jump.
Contradiction: The rider is asleep.
Contradiction: I noticed that people regretted putting in underground irrigation systems.
Contradiction: Three people were sitting.
Contradiction: Three people are installing a window.
Contradiction: A goup of pedestrians, one of which has a small dog, are waiting to cross the intersection safely.