ca n't properly be called acting -- more accurately , it 's moving 
(ROOT (S (S (VP (MD ca) (RB n't) (ADVP (RB properly)) (VP (VB be) (VP (VBN called) (S (VP (NN acting))))))) (, --) (S (ADVP (RBR more) (RB accurately)) (, ,) (NP (PRP it)) (VP (VBZ 's) (VP (VBG moving))))))
(ROOT (S (S (VP (MD ) (RB ) (ADVP (RB )) (VP (VB ) (VP (VBN ) (S (VP (NN ))))))) (, ) (S (ADVP (RBR ) (RB )) (, ) (NP (PRP )) (VP (VBZ ) (VP (VBG ))))))