while peppering the pages with memorable zingers 
(ROOT (SBAR (IN while) (S (VP (VBG peppering) (NP (DT the) (NNS pages)) (PP (IN with) (NP (JJ memorable) (NNS zingers)))))))
(ROOT (SBAR (IN ) (S (VP (VBG ) (NP (DT ) (NNS )) (PP (IN ) (NP (JJ ) (NNS )))))))