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))))))) (. .)))
He was ten when he entered Afghanistan in 1990.
( He ( ( was ( ten ( when ( he ( entered ( Afghanistan ( in 1990 ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP He)) (VP (VBD was) (NP (NP (CD ten)) (SBAR (WHADVP (WRB when)) (S (NP (PRP he)) (VP (VBD entered) (NP (NP (NNP Afghanistan)) (PP (IN in) (NP (CD 1990))))))))) (. .)))