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