is supposed to be , but ca n't really call it a work of art 
(ROOT (S (S (VP (VBZ is) (VP (VBN supposed) (S (VP (TO to) (VP (VB be))))))) (, ,) (CC but) (S (VP (MD ca) (RB n't) (ADVP (RB really)) (VP (VB call) (NP (PRP it)) (S (NP (NP (DT a) (NN work)) (PP (IN of) (NP (NN art))))))))))
(ROOT (S (S (VP (VBZ ) (VP (VBN ) (S (VP (TO ) (VP (VB ))))))) (, ) (CC ) (S (VP (MD ) (RB ) (ADVP (RB )) (VP (VB ) (NP (PRP )) (S (NP (NP (DT ) (NN )) (PP (IN ) (NP (NN ))))))))))