Anchor: maybe a riot in a busy city or maybe a fire from a burning building.
Entailed: There is either a riot or a fire.
Contradiction: Some people are peacefully singing.
Contradiction: The band is breaking down their equipment.
Contradiction: The women have Asian heritage.
Contradiction: A walk beside the Water offers no views of the surroundings. 
Contradiction: The ISO 9000 certification shows how to create high quality products and services by using standards.