( ( It ( ( 's not ) ( ( the eye ) ( that ( ( ( sees , ) but ) ( the brain ) ) ) ) ) ) ( , ( '' ( Hart ( said . ) ) ) ) )
(ROOT (S (S (NP (PRP It)) (VP (VBZ 's) (RB not) (NP (NP (DT the) (NN eye)) (SBAR (WHNP (WDT that)) (S (VP (VP (VBZ sees)) (, ,) (CC but) (VP (NP (DT the) (NN brain))))))))) (, ,) ('' '') (NP (NNP Hart)) (VP (VBD said)) (. .)))
It's not the eye that sees, but the brain,&quot; Hart said.
(ROOT (S (NP (NNS Brain) (CC and) (NNS eyes)) (VP (VBP are) (S (NP (DT the) (NNS organs)) (VP (VB work) (PRT (RP together)) (S (VP (TO to) (VP (VB allow) (S (NP (PRP us)) (VP (TO to) (VP (VB see)))))))))) (. .)))