of the most unpleasant things the studio 
(ROOT (PP (IN of) (NP (NP (DT the) (ADJP (RBS most) (JJ unpleasant)) (NNS things)) (NP (DT the) (NN studio)))))
(ROOT (PP (IN ) (NP (NP (DT ) (ADJP (RBS ) (JJ )) (NNS )) (NP (DT ) (NN )))))