it is supposed to be , but ca n't really call it a work of art 
(ROOT (S (S (NP (PRP it)) (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 (NP (PRP )) (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 ))))))))))