strip it of all its excess debris , 
(ROOT (S (VP (VB strip) (NP (PRP it)) (PP (IN of) (NP (PDT all) (PRP$ its) (JJ excess) (NN debris)))) (, ,)))
(ROOT (S (VP (VB ) (NP (PRP )) (PP (IN ) (NP (PDT ) (PRP$ ) (JJ ) (NN )))) (, )))