Anchor: And there have been proposals to control sales of fast food and souvenirs.
Entailed: Some think that fast food and souvenirs sales should be controlled.
Contradiction: There have been no attempts to change the amount of fast food and souvenirs sold.
Contradiction: No one wants to control the sales, its all up to the seller. 
Contradiction: A dog runs around loose.
Contradiction: Adding medicine to the water would help the flowers.
Contradiction: It helps to get upset about what happened so we can change it.