entertained by the unfolding of bielinsky 's 
(ROOT (S (VP (VBN entertained) (PP (IN by) (NP (NP (DT the) (NN unfolding)) (PP (IN of) (NP (NNP bielinsky) (POS 's))))))))
(ROOT (S (VP (VBN ) (PP (IN ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (NNP ) (POS ))))))))