both the scenic splendor of the mountains 
(ROOT (NP (NP (CC both) (DT the) (JJ scenic) (NN splendor)) (PP (IN of) (NP (DT the) (NNS mountains)))))
(ROOT (NP (NP (CC ) (DT ) (JJ ) (NN )) (PP (IN ) (NP (DT ) (NNS )))))