a little better than sorcerer 's stone 
(ROOT (ADJP (ADJP (NP (DT a) (JJ little)) (JJR better)) (PP (IN than) (NP (NP (NN sorcerer) (POS 's)) (NN stone)))))
(ROOT (ADJP (ADJP (NP (DT ) (JJ )) (JJR )) (PP (IN ) (NP (NP (NN ) (POS )) (NN )))))