have seen before , but beneath the exotic surface ( and exotic dancing ) it 's surprisingly old-fashioned 
(ROOT (S (S (VP (VBP have) (VP (VBN seen) (ADVP (RB before))))) (, ,) (CC but) (S (PP (IN beneath) (NP (NP (DT the) (JJ exotic) (NN surface)) (-LRB- -LRB-) (CC and) (NP (JJ exotic) (NN dancing)) (-RRB- -RRB-))) (NP (PRP it)) (VP (VBZ 's) (ADJP (RB surprisingly) (JJ old) (HYPH -) (JJ fashioned))))))
(ROOT (S (S (VP (VBP ) (VP (VBN ) (ADVP (RB ))))) (, ) (CC ) (S (PP (IN ) (NP (NP (DT ) (JJ ) (NN )) (-LRB- ) (CC ) (NP (JJ ) (NN )) (-RRB- ))) (NP (PRP )) (VP (VBZ ) (ADJP (RB ) (JJ ) (HYPH ) (JJ ))))))