( M ( ( macromolecule ( A ( ( very large ) molecule ) ) ) . ) )
(ROOT (S (NP (NNP M)) (VP (VBP macromolecule) (NP (DT A) (ADJP (RB very) (JJ large)) (NN molecule))) (. .)))
M macromolecule A very large molecule.
(ROOT (S (NP (DT Any) (JJ large) (NN molecule)) (VP (VBZ is) (VP (VBN referred) (PP (TO to) (NP (RB as) (DT a) (NN macromolecule))))) (. .)))