He fled in his car when cops arrived and led them on a chase that ended in the massive crash.
( He ( ( ( fled ( in ( his car ) ) ) ( when ( cops ( ( arrived and ) ( ( led them ) ( on ( ( a chase ) ( that ( ended ( in ( the ( massive crash ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP He)) (VP (VBD fled) (PP (IN in) (NP (PRP$ his) (NN car))) (SBAR (WHADVP (WRB when)) (S (NP (NNS cops)) (VP (VP (VBD arrived)) (CC and) (VP (VBD led) (NP (PRP them)) (PP (IN on) (NP (NP (DT a) (NN chase)) (SBAR (WHNP (WDT that)) (S (VP (VBD ended) (PP (IN in) (NP (DT the) (JJ massive) (NN crash))))))))))))) (. .)))
He crashed his car because the tires burst.
( He ( ( ( crashed ( his car ) ) ( because ( the ( tires burst ) ) ) ) . ) )
(ROOT (S (NP (PRP He)) (VP (VBD crashed) (NP (PRP$ his) (NN car)) (PP (IN because) (NP (DT the) (NNS tires) (NN burst)))) (. .)))