a nicely understated expression of the grief 
(ROOT (NP (NP (DT a) (ADJP (RB nicely) (JJ understated)) (NN expression)) (PP (IN of) (NP (DT the) (NN grief)))))
(ROOT (NP (NP (DT ) (ADJP (RB ) (JJ )) (NN )) (PP (IN ) (NP (DT ) (NN )))))