( There ( ( have ( ( ( been ( ( five ( major ( extinction events ) ) ) ( in ( Earth history ) ) ) ) , ) ( including ( ( the one ) ( ( in which ) ( dinosaurs disappeared ) ) ) ) ) ) . ) )
(ROOT (S (NP (EX There)) (VP (VBP have) (VP (VBN been) (NP (NP (CD five) (JJ major) (NN extinction) (NNS events)) (PP (IN in) (NP (NNP Earth) (NN history)))) (, ,) (PP (VBG including) (NP (NP (DT the) (NN one)) (SBAR (WHPP (IN in) (WHNP (WDT which))) (S (NP (NNS dinosaurs)) (VP (VBD disappeared)))))))) (. .)))
There have been five major extinction events in Earth history, including the one in which dinosaurs disappeared.
(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)))))))) (. .)))