an emotionally strong and politically potent piece 
(ROOT (NP (DT an) (ADJP (ADJP (RB emotionally) (JJ strong)) (CC and) (ADJP (RB politically) (JJ potent))) (NN piece)))
(ROOT (NP (DT ) (ADJP (ADJP (RB ) (JJ )) (CC ) (ADJP (RB ) (JJ ))) (NN )))