this little-known story of native americans and 
(ROOT (NP (NP (DT this) (ADJP (RB little) (HYPH -) (VBN known)) (NN story)) (PP (IN of) (NP (JJ native) (NNPS americans))) (CC and)))
(ROOT (NP (NP (DT ) (ADJP (RB ) (HYPH ) (VBN )) (NN )) (PP (IN ) (NP (JJ ) (NNPS ))) (CC )))