without doubt an artist of uncompromising vision 
(ROOT (S (ADVP (IN without) (NN doubt)) (NP (NP (DT an) (NN artist)) (PP (IN of) (NP (JJ uncompromising) (NN vision))))))
(ROOT (S (ADVP (IN ) (NN )) (NP (NP (DT ) (NN )) (PP (IN ) (NP (JJ ) (NN ))))))