Anchor: A referee, on rollerskates, sweeps a gym floor.
Entailed: A gym floor gets cleaned
Contradiction: A man with a mop and rubber boots cleans a bathroom floor
Contradiction: A woman shows her daughter a judo throw.
Contradiction: in the desert, a man is riding his motorcycle.
Contradiction: The teams would feature similar grade levels but varying job functions 
Contradiction: A car is smoking.