a perfectly pleasant if slightly pokey comedy . 
(ROOT (NP (DT a) (ADJP (ADJP (RB perfectly) (JJ pleasant)) (IN if) (ADJP (RB slightly) (JJ pokey))) (NN comedy) (. .)))
(ROOT (NP (DT ) (ADJP (ADJP (RB ) (JJ )) (IN ) (ADJP (RB ) (JJ ))) (NN ) (. )))