is all awkward , static , and lifeless rumblings 
(ROOT (VP (VBZ is) (RB all) (NP (ADJP (JJ awkward) (, ,) (JJ static) (, ,) (CC and) (JJ lifeless)) (NNS rumblings))))
(ROOT (VP (VBZ ) (RB ) (NP (ADJP (JJ ) (, ) (JJ ) (, ) (CC ) (JJ )) (NNS ))))