recommended -- as visually bland as a dentist 's waiting room 
(ROOT (FRAG (ADJP (VBN recommended)) (, --) (ADJP (ADJP (RB as) (RB visually) (JJ bland)) (PP (IN as) (NP (NP (DT a) (NN dentist) (POS 's)) (NN waiting) (NN room))))))
(ROOT (FRAG (ADJP (VBN )) (, ) (ADJP (ADJP (RB ) (RB ) (JJ )) (PP (IN ) (NP (NP (DT ) (NN ) (POS )) (NN ) (NN ))))))