Anchor: When calculating city delivery cost, we include the entire (fixed and volume variable) in-office and out-of-office cost24 for all city routes, plus the cost of overtime, supervision, space, and vehicles.
Entailed: There are several factors that are included when calculating city delivery cost. 
Contradiction: To calculate city delivery cost, we only need to know the cost of overtime. 
Contradiction: Three children are talking to a woman
Contradiction: Not a single thing, that should be obvious.
Contradiction: The early papers were not short and to the point; they were backward looking and not prescient to the wild world of modern macroeconomics.
Contradiction: She never shows up.