Anchor: We're trying to say that solo practice can be among the highest forms of public service, and is the only channel possible to serving low-income people.
Entailed: Solo practice is the only way to serve poor people.
Contradiction: Large firms do the best at serving poor people.
Contradiction: I cannot even take a guess as to what year it was purchased in. 
Contradiction: The castle stood as a bastion of the English crown when Richard of Gloucester was crowned King Richard III.
Contradiction: Commercial authors are not compensated for their applications.
Contradiction: Royalty used the Queen Mary for trans-Atlantic voyages.