grasping actors ' workshop that it is 
(ROOT (NP (NP (VBG grasping) (NP (NNS actors) (POS ')) (NN workshop)) (SBAR (WHNP (WDT that)) (S (NP (PRP it)) (VP (VBZ is))))))
(ROOT (NP (NP (VBG ) (NP (NNS ) (POS )) (NN )) (SBAR (WHNP (WDT )) (S (NP (PRP )) (VP (VBZ ))))))