( Macroevolution ( -LRB- ( 17 ( -RRB- ( ( ( ( ( vi -RRB- ) ( The Evolution ) ) ( of Sex ) ) and ) Death ) ) ) ) )
(ROOT (S (VP (VB Macroevolution) (S (-LRB- -LRB-) (NP (CD 17)) (-RRB- -RRB-) (VP (VP (VB vi) (-RRB- -RRB-) (NP (DT The) (NNP Evolution)) (PP (IN of) (NP (NN Sex)))) (CC and) (VP (VB Death)))))))
Macroevolution (17) vi) The Evolution of Sex and Death
(ROOT (S (NP (NNP Macroevolution)) (VP (VBZ happens) (SBAR (WHADVP (WRB when)) (S (NP (NP (NNS forces)) (PP (IN of) (NP (NN evolution)))) (VP (VBP work) (PP (IN over) (NP (NP (DT a) (JJ long) (NN period)) (PP (IN of) (NP (NN time))))))))) (. .)))