( ( ( ( Chivian , ) ( ( ( Species Extinction ) and ) ( Biodiversity Loss ) ) ) , ) ( ( pp. 193-224 ) . ) )
(ROOT (S (NP (NP (NNP Chivian)) (, ,) (NP (NP (NNP Species) (NNP Extinction)) (CC and) (NP (NNP Biodiversity) (NNP Loss))) (, ,)) (VP (VBP pp.) (NP (CD 193-224))) (. .)))
Chivian, Species Extinction and Biodiversity Loss, pp. 193-224.
(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)))) (. .)))