a relaxed firth displays impeccable comic skill 
(ROOT (S (NP (DT a) (JJ relaxed) (NN firth)) (VP (VBZ displays) (NP (JJ impeccable) (JJ comic) (NN skill)))))
(ROOT (S (NP (DT ) (JJ ) (NN )) (VP (VBZ ) (NP (JJ ) (JJ ) (NN )))))