enriched by an imaginatively mixed cast of antic spirits , 
(ROOT (S (VP (VBN enriched) (PP (IN by) (NP (NP (DT an) (ADJP (RB imaginatively) (VBN mixed)) (NN cast)) (PP (IN of) (NP (JJ antic) (NNS spirits)))))) (, ,)))
(ROOT (S (VP (VBN ) (PP (IN ) (NP (NP (DT ) (ADJP (RB ) (VBN )) (NN )) (PP (IN ) (NP (JJ ) (NNS )))))) (, )))