Anchor: A skateboarder does a trick off a brown ramp while three other people watch.
Entailed: A person is on a skate board coming off a ramp.
Contradiction: A kid is bouncing a ball at the park.
Contradiction: You should start off because I don't think I know what we are going to speak about.
Contradiction: A snowboarder is flying in the air
Contradiction: Young people need to understand that this country will never be able to maintain its freedom or safety. 
Contradiction: He hopped into bed after finishing his beer.