in middle-of-the-road blandness 
(ROOT (PP (IN in) (NP (NML (ADJP (JJ middle)) (HYPH -) (PP (IN of) (HYPH -) (NP (DT the) (HYPH -) (NN road)))) (NN blandness))))
(ROOT (PP (IN ) (NP (NML (ADJP (JJ )) (HYPH ) (PP (IN ) (HYPH ) (NP (DT ) (HYPH ) (NN )))) (NN ))))