jennifer lopez 's most aggressive and most sincere attempt 
(ROOT (NP (NP (NNP jennifer) (NNP lopez) (POS 's)) (ADJP (ADJP (RBS most) (JJ aggressive)) (CC and) (ADJP (RBS most) (JJ sincere))) (NN attempt)))
(ROOT (NP (NP (NNP ) (NNP ) (POS )) (ADJP (ADJP (RBS ) (JJ )) (CC ) (ADJP (RBS ) (JJ ))) (NN )))