is , truly and thankfully , a one-of-a-kind work 
(ROOT (VP (VBZ is) (, ,) (ADVP (RB truly) (CC and) (RB thankfully)) (, ,) (NP (DT a) (NML (NML (CD one)) (HYPH -) (PP (IN of) (HYPH -) (NP (DT a) (HYPH -) (JJ kind)))) (NN work))))
(ROOT (VP (VBZ ) (, ) (ADVP (RB ) (CC ) (RB )) (, ) (NP (DT ) (NML (NML (CD )) (HYPH ) (PP (IN ) (HYPH ) (NP (DT ) (HYPH ) (JJ )))) (NN ))))