howard and his co-stars all give committed performances 
(ROOT (S (NP (NP (NNP howard)) (CC and) (NP (PRP$ his) (NNS co-stars))) (DT all) (VP (VBP give) (NP (VBN committed) (NNS performances)))))
(ROOT (S (NP (NP (NNP )) (CC ) (NP (PRP$ ) (NNS ))) (DT ) (VP (VBP ) (NP (VBN ) (NNS )))))