assume the director has pictures of them cavorting in ladies ' underwear 
(ROOT (VP (VB assume) (SBAR (S (NP (DT the) (NN director)) (VP (VBZ has) (S (NP (NP (NNS pictures)) (PP (IN of) (NP (PRP them)))) (VP (VBG cavorting) (PP (IN in) (NP (NP (NNS ladies) (POS ')) (NN underwear))))))))))
(ROOT (VP (VB ) (SBAR (S (NP (DT ) (NN )) (VP (VBZ ) (S (NP (NP (NNS )) (PP (IN ) (NP (PRP )))) (VP (VBG ) (PP (IN ) (NP (NP (NNS ) (POS )) (NN ))))))))))