grinds itself out in increasingly incoherent fashion 
(ROOT (VP (VBZ grinds) (NP (PRP itself)) (PRT (RP out)) (PP (IN in) (NP (ADJP (RB increasingly) (JJ incoherent)) (NN fashion)))))
(ROOT (VP (VBZ ) (NP (PRP )) (PRT (RP )) (PP (IN ) (NP (ADJP (RB ) (JJ )) (NN )))))