perfectly pleasant if slightly pokey 
(ROOT (ADJP (ADJP (RB perfectly) (JJ pleasant)) (SBAR (IN if) (FRAG (ADJP (RB slightly) (NN pokey))))))
(ROOT (ADJP (ADJP (RB ) (JJ )) (SBAR (IN ) (FRAG (ADJP (RB ) (NN ))))))