Anchor: Therefore, like other taxes, they are classified as producing nonexchange revenue.
Entailed: Similar to other taxes, they get categorized as generating nonexchange revenue. 
Contradiction: They are like other taxes because they get classified as generating exchange expenses. 
Contradiction: The Founding Fathers are still alive.
Contradiction: They would be greatly helped by attending college.
Contradiction: A child flies a remote control airplane.
Contradiction: Student working on an art project.