as a thoughtful and unflinching examination of an alternative lifestyle , sex with strangers is a success . 
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(ROOT (S (PP (IN ) (NP (NP (DT ) (ADJP (JJ ) (CC ) (JJ )) (NN )) (PP (IN ) (NP (DT ) (JJ ) (NN ))))) (, ) (NP (NP (NN )) (PP (IN ) (NP (NNS )))) (VP (VBZ ) (NP (DT ) (NN ))) (. )))