holland lets things peter out midway , 
(ROOT (S (NP (NNP holland)) (VP (VBZ lets) (S (NP (NNS things)) (VP (VB peter) (PRT (RP out)) (ADVP (RB midway))))) (, ,)))
(ROOT (S (NP (NNP )) (VP (VBZ ) (S (NP (NNS )) (VP (VB ) (PRT (RP )) (ADVP (RB ))))) (, )))