( ( ( ( ( ( Five species ) ( have ( ( become extinct ) ( since 1600 ) ) ) ) , ) and ) ( ( many more ) ( are ( threatened ( with extinction ) ) ) ) ) . )
(ROOT (S (S (NP (CD Five) (NNS species)) (VP (VBP have) (VP (VBN become) (ADJP (JJ extinct)) (PP (IN since) (NP (CD 1600)))))) (, ,) (CC and) (S (NP (RB many) (RBR more)) (VP (VBP are) (VP (VBN threatened) (PP (IN with) (NP (NN extinction)))))) (. .)))
Five species have become extinct since 1600, and many more are threatened with extinction.
(ROOT (S (NP (EX There)) (VP (VBP have) (VP (VBN been) (NP (CD five) (JJ major) (JJ massive) (NNS extinctions)) (SBAR (IN since) (S (NP (NN life)) (VP (VBD began) (PP (IN on) (NP (NN earth)))))))) (. .)))