an alternately raucous and sappy ethnic sitcom ... you 'd be wise to send your regrets . 
(ROOT (S (S (NP (DT an) (ADJP (ADJP (RB alternately) (JJ raucous)) (CC and) (ADJP (JJ sappy))) (JJ ethnic) (NN sitcom))) (, ...) (NP (PRP you)) (VP (MD 'd) (VP (VB be) (ADJP (JJ wise) (S (VP (TO to) (VP (VB send) (NP (PRP$ your) (NNS regrets)))))))) (. .)))
(ROOT (S (S (NP (DT ) (ADJP (ADJP (RB ) (JJ )) (CC ) (ADJP (JJ ))) (JJ ) (NN ))) (, ) (NP (PRP )) (VP (MD ) (VP (VB ) (ADJP (JJ ) (S (VP (TO ) (VP (VB ) (NP (PRP$ ) (NNS )))))))) (. )))