( Today ( ( this work ) ( ( is ( ( the basis ) ( for ( ( typing tissues ) ( to ( ( determine compatibility ) ( for ( organ ( and ( tissue transplants ) ) ) ) ) ) ) ) ) ) . ) ) )
(ROOT (S (NP (NN Today)) (NP (DT this) (NN work)) (VP (VBZ is) (NP (NP (DT the) (NN basis)) (PP (IN for) (S (VP (VBG typing) (NP (NNS tissues)) (S (VP (TO to) (VP (VB determine) (NP (NN compatibility)) (PP (IN for) (NP (NN organ) (CC and) (NN tissue) (NNS transplants))))))))))) (. .)))
Today this work is the basis for typing tissues to determine compatibility for organ and tissue transplants.
(ROOT (S (SBAR (WHADVP (WRB When)) (S (NP (NP (JJ different) (NNS types)) (PP (IN of) (NP (NNS tissues)))) (VP (VBP work) (ADVP (RB together)) (S (VP (TO to) (VP (VB perform) (NP (DT a) (JJ unique) (NN function)))))))) (, ,) (NP (PRP they)) (VP (VBP form) (NP (NN organ))) (. .)))