( ( ( A patient ) ( has ( received ( ( the ( first ( ( completely implanted ) ( artificial heart ) ) ) ) ( that ( totally ( replaces ( ( the function ) ( of ( the ( human heart ) ) ) ) ) ) ) ) ) ) ) ( , ( researchers ( ( announced Tuesday ) . ) ) ) )
(ROOT (S (S (NP (DT A) (NN patient)) (VP (VBZ has) (VP (VBN received) (NP (NP (DT the) (JJ first) (ADJP (RB completely) (JJ implanted)) (JJ artificial) (NN heart)) (SBAR (WHNP (WDT that)) (S (ADVP (RB totally)) (VP (VBZ replaces) (NP (NP (DT the) (NN function)) (PP (IN of) (NP (DT the) (JJ human) (NN heart))))))))))) (, ,) (NP (NNS researchers)) (VP (VBD announced) (NP (NNP Tuesday))) (. .)))
A patient has received the first completely implanted artificial heart that totally replaces the function of the human heart, researchers announced Tuesday.
(ROOT (S (PP (IN In) (NP (NNS humans))) (, ,) (NP (DT the) (NN heart)) (VP (VBZ is) (NP (DT the) (JJ first) (NN organ) (S (VP (TO to) (VP (VP (VB form)) (CC and) (VP (VB become) (ADJP (JJ functional)))))))) (. .)))