mount a cogent defense of the film as entertainment , or even performance art , although the movie does leave you marveling at these guys ' superhuman capacity to withstand pain 
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(ROOT (S (S (VP (VB ) (NP (NP (DT ) (JJ ) (NN )) (PP (IN ) (NP (DT ) (NN ))) (PP (IN ) (NP (NP (NN )) (, ) (CC ) (RB ) (NP (NN ) (NN ))))))) (, ) (SBAR (IN ) (S (NP (DT ) (NN )) (VP (VBZ ) (VP (VB ) (NP (PRP )) (S (VP (VBG ) (PP (IN ) (NP (NP (DT ) (NNS ) (POS )) (JJ ) (NN ) (S (VP (TO ) (VP (VB ) (NP (NN )))))))))))))))