is nicely performed by a quintet of actresses 
(ROOT (VP (VBZ is) (ADVP (RB nicely)) (VP (VBN performed) (PP (IN by) (NP (NP (DT a) (NN quintet)) (PP (IN of) (NP (NNS actresses))))))))
(ROOT (VP (VBZ ) (ADVP (RB )) (VP (VBN ) (PP (IN ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (NNS ))))))))