's unburdened by pretensions to great artistic significance 
(ROOT (VP (VBZ 's) (VP (VBN unburdened) (PP (IN by) (NP (NP (NNS pretensions)) (PP (IN to) (NP (JJ great) (JJ artistic) (NN significance))))))))
(ROOT (VP (VBZ ) (VP (VBN ) (PP (IN ) (NP (NP (NNS )) (PP (IN ) (NP (JJ ) (JJ ) (NN ))))))))