Anchor: While multiple systems on one site are common, the number of required systems to serve large MWe of capacity has been decreasing.
Entailed: There are often multiple systems on one site.
Contradiction: There are never more than one system on a site.
Contradiction: A biker is taking a break.
Contradiction: There is a car driving
Contradiction: Every country gives unlimited freedoms. 
Contradiction: The federal government constantly has an effect on net national saving.