Anchor: Labor costs constitute more than 80 percent of the agency's expenditures--a figure that has remained steady since 1970, despite the billions of dollars spent on automation.
Entailed: The agency spends a lot on labor costs.
Contradiction: The agency spends very little on labor costs.
Contradiction: We men have to stick together, my friend. 
Contradiction: The road was unpaved.
Contradiction: A girl is sleeping.
Contradiction: The economic life are periods when a fixed asset can give services to the owner.