( ( ( ( There ( are ( two ( large waterfalls ) ) ) ) -- ) ( ( the upper ) ( ( ( falls and ) ( the lower ) ) falls ) ) ) . )
(ROOT (S (S (NP (EX There)) (VP (VBP are) (NP (CD two) (JJ large) (NNS waterfalls)))) (: --) (S (NP (DT the) (JJ upper)) (VP (VP (VBZ falls)) (CC and) (ADVP (DT the) (JJR lower)) (VP (VBZ falls)))) (. .)))
There are two large waterfalls -- the upper falls and the lower falls.
(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))))) (. .)))