( ( Rivers ( that ( cross ( the ( Fall Line ) ) ) ) ) ( ( have ( ( a series ) ( of ( ( rapids and ) waterfalls ) ) ) ) . ) )
(ROOT (S (NP (NP (NNS Rivers)) (SBAR (WHNP (WDT that)) (S (VP (VBP cross) (NP (DT the) (NN Fall) (NN Line)))))) (VP (VBP have) (NP (NP (DT a) (NN series)) (PP (IN of) (NP (NNS rapids) (CC and) (NNS waterfalls))))) (. .)))
Rivers that cross the Fall Line have a series of rapids and waterfalls.
(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))))) (. .)))