is worth your time , especially 
(ROOT (S (VP (VBZ is) (ADJP (JJ worth) (NP (PRP$ your) (NN time))) (, ,) (ADVP (RB especially)))))
(ROOT (S (VP (VBZ ) (ADJP (JJ ) (NP (PRP$ ) (NN ))) (, ) (ADVP (RB )))))