Anchor: The heterogeneity of delivery costs is driven by differences in volume, geographical characteristics and quality of delivery service.
Entailed: The difference of cost depends on differences in volume, location and service quality. 
Contradiction: The difference in cost depends upon the volume only. 
Contradiction: A man is at the movies watching a film.
Contradiction: No time was wasted by Jon.
Contradiction: I have never done it.
Contradiction: It was me!