with results that are sometimes bracing , sometimes baffling and quite often , 
(ROOT (PP (IN with) (NP (NP (NNS results)) (SBAR (WHNP (WDT that)) (S (VP (VBP are) (ADVP (RB sometimes)) (VP (VBG bracing)) (, ,) (ADVP (RB sometimes)) (ADJP (JJ baffling)) (CC and) (ADVP (RB quite) (RB often)))))) (, ,)))
(ROOT (PP (IN ) (NP (NP (NNS )) (SBAR (WHNP (WDT )) (S (VP (VBP ) (ADVP (RB )) (VP (VBG )) (, ) (ADVP (RB )) (ADJP (JJ )) (CC ) (ADVP (RB ) (RB )))))) (, )))