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))))) (. .)))
He had nothing to do with these actions.
( He ( ( had ( nothing ( to ( do ( with ( these actions ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP He)) (VP (VBD had) (NP (NN nothing) (S (VP (TO to) (VP (VB do) (PP (IN with) (NP (DT these) (NNS actions)))))))) (. .)))