Anchor: Second, there is the view that worksharing discounts are needed to make the postal service more competitive, thus helping to stave off threats from competing carriers and electronic substitutes.
Entailed: Competing carriers and electronic substitutes are seen as a threat to the postal service.
Contradiction: Nobody believes that worksharing discounts will affect the adoption of electronic substitutes.
Contradiction: A man is filming hippos.
Contradiction: There was a concern that the deadline would be missed. 
Contradiction: Black female in a white dress in the yard.
Contradiction: Umbria is land-locked.