particularly joyless , and exceedingly dull , period 
(ROOT (NP (ADJP (ADJP (RB particularly) (JJ joyless)) (, ,) (CC and) (ADJP (RB exceedingly) (JJ dull)) (, ,)) (NN period)))
(ROOT (NP (ADJP (ADJP (RB ) (JJ )) (, ) (CC ) (ADJP (RB ) (JJ )) (, )) (NN )))