Since that time, the financial burden of a college education has been lessened for many deserving students.
( ( Since ( that time ) ) ( , ( ( ( the ( financial burden ) ) ( of ( a ( college education ) ) ) ) ( ( has ( been ( lessened ( for ( many ( deserving students ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN Since) (NP (DT that) (NN time))) (, ,) (NP (NP (DT the) (JJ financial) (NN burden)) (PP (IN of) (NP (DT a) (NN college) (NN education)))) (VP (VBZ has) (VP (VBN been) (VP (VBN lessened) (PP (IN for) (NP (JJ many) (JJ deserving) (NNS students)))))) (. .)))
The financial stress of a going to college has been lessened for many deserving students since that time. 
( ( ( The ( financial stress ) ) ( of ( ( a going ) ( to college ) ) ) ) ( ( has ( been ( lessened ( for ( ( many ( deserving students ) ) ( since ( that time ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (JJ financial) (NN stress)) (PP (IN of) (NP (NP (DT a) (NN going)) (PP (TO to) (NP (NN college)))))) (VP (VBZ has) (VP (VBN been) (VP (VBN lessened) (PP (IN for) (NP (NP (JJ many) (JJ deserving) (NNS students)) (PP (IN since) (NP (DT that) (NN time)))))))) (. .)))