a one-of-a-kind work 
(ROOT (NP (DT a) (NML (NML (CD one)) (HYPH -) (PP (IN of) (HYPH -) (NP (DT a) (HYPH -) (NN kind)))) (NN work)))
(ROOT (NP (DT ) (NML (NML (CD )) (HYPH ) (PP (IN ) (HYPH ) (NP (DT ) (HYPH ) (NN )))) (NN )))