Anchor: However, the Egyptians are tenacious shopkeepers and you will have to have a will of steel and sense of humor to ignore their sales pitches.
Entailed: It will be very hard to ignore their sales pitches.
Contradiction: You won't have much trouble avoiding sales pitches.
Contradiction: A javelin thrower forgot her spear.
Contradiction: Social differences may have a negative impact on how relevant rat research is to social policy. 
Contradiction: They have no experience doing this.
Contradiction: The reported injury was caused by a physical abuse.