as a workable primer for the region 's recent history 
(ROOT (PP (IN as) (NP (NP (DT a) (JJ workable) (NN primer)) (PP (IN for) (NP (NP (DT the) (NN region) (POS 's)) (JJ recent) (NN history))))))
(ROOT (PP (IN ) (NP (NP (DT ) (JJ ) (NN )) (PP (IN ) (NP (NP (DT ) (NN ) (POS )) (JJ ) (NN ))))))