an inconsequential , barely there bit of piffle . 
(ROOT (NP (NP (DT an) (JJ inconsequential) (, ,) (ADJP (RB barely) (PRP$ there)) (NN bit)) (PP (IN of) (NP (NN piffle))) (. .)))
(ROOT (NP (NP (DT ) (JJ ) (, ) (ADJP (RB ) (PRP$ )) (NN )) (PP (IN ) (NP (NN ))) (. )))