mexico 's most colorful and controversial artists 
(ROOT (NP (NP (NNP mexico) (POS 's)) (ADJP (RBS most) (JJ colorful) (CC and) (JJ controversial)) (NNS artists)))
(ROOT (NP (NP (NNP ) (POS )) (ADJP (RBS ) (JJ ) (CC ) (JJ )) (NNS )))