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, like the one used in the death of 241 Americans, were of particular interest to Bin Ladin.
( ( ( ( ( Truck bombs ) , ) ( like ( ( the one ) ( used ( in ( ( the death ) ( of ( 241 Americans ) ) ) ) ) ) ) ) , ) ( ( ( were ( of ( particular interest ) ) ) ( to ( Bin Ladin ) ) ) . ) )
(ROOT (S (NP (NP (NNP Truck) (NNS bombs)) (, ,) (PP (IN like) (NP (NP (DT the) (NN one)) (VP (VBN used) (PP (IN in) (NP (NP (DT the) (NN death)) (PP (IN of) (NP (CD 241) (NNS Americans)))))))) (, ,)) (VP (VBD were) (PP (IN of) (NP (JJ particular) (NN interest))) (PP (TO to) (NP (NNP Bin) (NNP Ladin)))) (. .)))