their computer-animated faces are very expressive . 
(ROOT (S (NP (PRP$ their) (ADJP (NN computer) (HYPH -) (JJ animated)) (NNS faces)) (VP (VBP are) (ADJP (RB very) (JJ expressive))) (. .)))
(ROOT (S (NP (PRP$ ) (ADJP (NN ) (HYPH ) (JJ )) (NNS )) (VP (VBP ) (ADJP (RB ) (JJ ))) (. )))