He died in a ferryboat accident on Lake Victoria just a few days after Bin Ladin arrived in Jalalabad, leaving Bin Ladin with a need to replace him not only in the Shura but also as supervisor of the cells and prospective operations in East Africa.
( He ( ( ( died ( in ( ( a ( ferryboat accident ) ) ( on ( Lake Victoria ) ) ) ) ) ( ( ( just ( a few ) ) days ) ( after ( ( Bin Ladin ) ( ( ( arrived ( in Jalalabad ) ) , ) ( leaving ( ( Bin Ladin ) ( with ( a ( need ( to ( ( replace him ) ( ( not only ) ( ( ( in ( the Shura ) ) but ) ( also ( as ( ( ( supervisor ( of ( the cells ) ) ) and ) ( ( prospective operations ) ( in ( East Africa ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP He)) (VP (VBD died) (PP (IN in) (NP (NP (DT a) (JJ ferryboat) (NN accident)) (PP (IN on) (NP (NNP Lake) (NNP Victoria))))) (SBAR (NP (QP (RB just) (DT a) (JJ few)) (NNS days)) (IN after) (S (NP (NNP Bin) (NNP Ladin)) (VP (VBD arrived) (PP (IN in) (NP (NNP Jalalabad))) (, ,) (S (VP (VBG leaving) (NP (NP (NNP Bin) (NNP Ladin)) (PP (IN with) (NP (DT a) (NN need) (S (VP (TO to) (VP (VB replace) (NP (PRP him)) (PP (CONJP (RB not) (JJ only)) (PP (IN in) (NP (DT the) (NNP Shura))) (CC but) (PP (ADVP (RB also)) (IN as) (NP (NP (NP (NN supervisor)) (PP (IN of) (NP (DT the) (NNS cells)))) (CC and) (NP (NP (JJ prospective) (NNS operations)) (PP (IN in) (NP (NNP East) (NNP Africa))))))))))))))))))) (. .)))
His accidental death was due to a lack of precautions and preparation.
( ( His ( accidental death ) ) ( ( was ( due ( to ( ( a lack ) ( of ( ( precautions and ) preparation ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP$ His) (JJ accidental) (NN death)) (VP (VBD was) (ADJP (JJ due) (PP (TO to) (NP (NP (DT a) (NN lack)) (PP (IN of) (NP (NNS precautions) (CC and) (NN preparation))))))) (. .)))