( ( ( THE PATTERN ) ( OF ( MACROEVOLUTION Evolution ) ) ) ( ( ( is not ) progress ) . ) )
(ROOT (S (NP (NP (DT THE) (NN PATTERN)) (PP (IN OF) (NP (NNP MACROEVOLUTION) (NNP Evolution)))) (VP (VBZ is) (RB not) (NP (NN progress))) (. .)))
THE PATTERN OF MACROEVOLUTION Evolution is not progress.
(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))))))))) (. .)))