an interesting look behind the scenes of chicago-based rock group wilco ... 
(ROOT (NP (NP (DT an) (JJ interesting) (NN look)) (PP (IN behind) (NP (NP (DT the) (NNS scenes)) (PP (IN of) (NP (NP (ADJP (NNP chicago) (HYPH -) (VBN based)) (NN rock) (NN group)) (NP (NNP wilco)))))) (. ...)))
(ROOT (NP (NP (DT ) (JJ ) (NN )) (PP (IN ) (NP (NP (DT ) (NNS )) (PP (IN ) (NP (NP (ADJP (NNP ) (HYPH ) (VBN )) (NN ) (NN )) (NP (NNP )))))) (. )))