Twenty-three when he arrived in Afghanistan in 1980, Bin Ladin was the seventeenth of 57 children of a Saudi construction magnate.
( ( Twenty-three ( when ( he ( ( arrived ( in Afghanistan ) ) ( in 1980 ) ) ) ) ) ( , ( ( Bin Ladin ) ( ( was ( ( the seventeenth ) ( of ( ( 57 children ) ( of ( a ( Saudi ( construction magnate ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (S (ADJP (JJ Twenty-three) (SBAR (WHADVP (WRB when)) (S (NP (PRP he)) (VP (VBD arrived) (PP (IN in) (NP (NNP Afghanistan))) (PP (IN in) (NP (CD 1980)))))))) (, ,) (NP (NNP Bin) (NNP Ladin)) (VP (VBD was) (NP (NP (DT the) (NN seventeenth)) (PP (IN of) (NP (NP (CD 57) (NNS children)) (PP (IN of) (NP (DT a) (JJ Saudi) (NN construction) (NN magnate))))))) (. .)))
Bin Ladin was only 23 when he came to Afghanistan, born as one of 57 children.
( ( Bin Ladin ) ( ( was ( ( only 23 ) ( when ( he ( came ( to ( ( Afghanistan , ) ( born ( as ( one ( of ( 57 children ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Bin) (NNP Ladin)) (VP (VBD was) (NP (NP (RB only) (CD 23)) (SBAR (WHADVP (WRB when)) (S (NP (PRP he)) (VP (VBD came) (PP (TO to) (NP (NP (NNP Afghanistan)) (, ,) (VP (VBN born) (PP (IN as) (NP (NP (CD one)) (PP (IN of) (NP (CD 57) (NNS children))))))))))))) (. .)))