Bin Ladin reportedly showed particular interest in learning how to use truck bombs such as the one that had killed 241 U.S.
( ( Bin Ladin ) ( reportedly ( ( showed ( particular interest ) ) ( in ( learning ( how ( to ( use ( ( truck bombs ) ( such ( as ( ( the one ) ( that ( had ( killed ( 241 U.S. ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) )
(ROOT (S (NP (NNP Bin) (NNP Ladin)) (VP (ADVP (RB reportedly)) (VBD showed) (NP (JJ particular) (NN interest)) (PP (IN in) (S (VP (VBG learning) (SBAR (WHADVP (WRB how)) (S (VP (TO to) (VP (VB use) (NP (NP (NN truck) (NNS bombs)) (PP (JJ such) (IN as) (NP (NP (DT the) (NN one)) (SBAR (WHNP (WDT that)) (S (VP (VBD had) (VP (VBN killed) (NP (NNP 241) (NNP U.S.)))))))))))))))))))
Truck bombs were of no interest to Bin Ladin, having failed to kill anyone using them.
( ( Truck bombs ) ( ( ( ( ( were ( of ( no interest ) ) ) ( to ( Bin Ladin ) ) ) , ) ( having ( failed ( to ( ( kill anyone ) ( using them ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Truck) (NNS bombs)) (VP (VBD were) (PP (IN of) (NP (DT no) (NN interest))) (PP (TO to) (NP (NNP Bin) (NNP Ladin))) (, ,) (S (VP (VBG having) (VP (VBN failed) (S (VP (TO to) (VP (VB kill) (NP (NN anyone)) (S (VP (VBG using) (NP (PRP them))))))))))) (. .)))