Nonetheless, the rationality of service tiers remains.
( Nonetheless ( , ( ( ( the rationality ) ( of ( service tiers ) ) ) ( remains . ) ) ) )
(ROOT (S (ADVP (RB Nonetheless)) (, ,) (NP (NP (DT the) (NN rationality)) (PP (IN of) (NP (NN service) (NNS tiers)))) (VP (VBZ remains)) (. .)))
It makes sense to keep the service tiers because they are easily understood by the client.
( It ( ( ( makes sense ) ( to ( ( keep ( the ( service tiers ) ) ) ( because ( they ( ( are easily ) ( understood ( by ( the client ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ makes) (NP (NN sense)) (S (VP (TO to) (VP (VB keep) (NP (DT the) (NN service) (NNS tiers)) (SBAR (IN because) (S (NP (PRP they)) (VP (VBP are) (ADVP (RB easily)) (VP (VBN understood) (PP (IN by) (NP (DT the) (NN client))))))))))) (. .)))