( ( The falls ) ( ( are ( ( a series ) ( of ( waterfalls ( along ( ( the border ) ( of ( Brazil ( , ( ( Argentina and ) Paraguay ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN falls)) (VP (VBP are) (NP (NP (DT a) (NN series)) (PP (IN of) (NP (NP (NNS waterfalls)) (PP (IN along) (NP (NP (DT the) (NN border)) (PP (IN of) (NP (NNP Brazil) (, ,) (NNP Argentina) (CC and) (NNP Paraguay))))))))) (. .)))
The falls are a series of waterfalls along the border of Brazil, Argentina and Paraguay.
(ROOT (S (NP (NNP Iguassu) (NNP falls)) (VP (VBZ is) (NP (NP (DT the) (JJS largest) (NN waterfall)) (PP (IN on) (NP (DT the) (NN planet))))) (. .)))