Bin Ladin had an important part in this activity.
( ( Bin Ladin ) ( ( had ( ( an ( important part ) ) ( in ( this activity ) ) ) ) . ) )
(ROOT (S (NP (NNP Bin) (NNP Ladin)) (VP (VBD had) (NP (NP (DT an) (JJ important) (NN part)) (PP (IN in) (NP (DT this) (NN activity))))) (. .)))
Bin Laden while in Saudi Arabia, played a major role in the events that transpired.
( ( Bin Laden ) ( while ( ( in ( Saudi Arabia ) ) ( , ( ( ( played ( a ( major role ) ) ) ( in ( ( the events ) ( that transpired ) ) ) ) . ) ) ) ) )
(ROOT (S (NP (NNP Bin) (NNP Laden)) (NP (NN while)) (PP (IN in) (NP (NNP Saudi) (NNP Arabia))) (, ,) (VP (VBD played) (NP (DT a) (JJ major) (NN role)) (PP (IN in) (NP (NP (DT the) (NNS events)) (SBAR (WHNP (WDT that)) (S (VP (VBD transpired))))))) (. .)))