a rather tired exercise in nostalgia . 
(ROOT (NP (NP (DT a) (ADJP (RB rather) (JJ tired)) (NN exercise)) (PP (IN in) (NP (NN nostalgia))) (. .)))
(ROOT (NP (NP (DT ) (ADJP (RB ) (JJ )) (NN )) (PP (IN ) (NP (NN ))) (. )))