( ( ( Greatest cost ) ( of ( Amazonian deforestation ) ) ) ( ( are ( ( cultural ( ( extinction and ) loss ) ) ( of biodiversity ) ) ) . ) )
(ROOT (S (NP (NP (JJ Greatest) (NN cost)) (PP (IN of) (NP (NNP Amazonian) (NN deforestation)))) (VP (VBP are) (NP (NP (JJ cultural) (NN extinction) (CC and) (NN loss)) (PP (IN of) (NP (NN biodiversity))))) (. .)))
Greatest cost of Amazonian deforestation are cultural extinction and loss of biodiversity.
(ROOT (S (NP (NP (ADJP (JJ Sudden) (CC and) (JJ dramatic)) (NNS losses)) (PP (IN of) (NP (NN biodiversity)))) (VP (VBP are) (VP (VBN called) (NP (JJ mass) (NN extinction)))) (. .)))