to pamela 's emotional roller coaster life 
(ROOT (PP (IN to) (NP (NP (NNP pamela) (POS 's)) (JJ emotional) (NML (NN roller) (NN coaster)) (NN life))))
(ROOT (PP (IN ) (NP (NP (NNP ) (POS )) (JJ ) (NML (NN ) (NN )) (NN ))))