Does '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.' stand independently of the premise 'His accidental death was due to a lack of precautions and preparation.', neither following nor contradicting it?
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.###His accidental death was due to a lack of precautions and preparation.