( Adults ( ( possess ( ( all four ) ( of ( the ( diagnostic ( chordate characteristics ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Adults)) (VP (VBP possess) (NP (NP (QP (DT all) (CD four))) (PP (IN of) (NP (DT the) (JJ diagnostic) (JJ chordate) (NNS characteristics))))) (. .)))
Adults possess all four of the diagnostic chordate characteristics.
(ROOT (S (NP (JJ Adult) (NNS humans)) (VP (VBP lack) (NP (NP (DT some)) (PP (IN of) (NP (NP (DT the) (VBG defining) (NNS traits)) (PP (IN of) (NP (NNS chordates))))))) (. .)))