U.S. intelligence estimates put the total number of fighters who underwent instruction in Bin Ladin-supported camps in Afghanistan from 1996 through 9/11 at 10,000 to 20,000.
( ( U.S. ( intelligence estimates ) ) ( ( put ( ( the ( total number ) ) ( of ( fighters ( who ( ( ( ( underwent instruction ) ( in ( ( Bin ( Ladin-supported camps ) ) ( in Afghanistan ) ) ) ) ( from 1996 ) ) ( through ( 9/11 ( ( ( at 10,000 ) to ) 20,000 ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP U.S.) (NN intelligence) (NNS estimates)) (VP (VBD put) (NP (NP (DT the) (JJ total) (NN number)) (PP (IN of) (NP (NP (NNS fighters)) (SBAR (WHNP (WP who)) (S (VP (VBD underwent) (NP (NN instruction)) (PP (IN in) (NP (NP (NNP Bin) (JJ Ladin-supported) (NNS camps)) (PP (IN in) (NP (NNP Afghanistan))))) (PP (IN from) (NP (CD 1996))) (PP (IN through) (NP (QP (CD 9/11) (IN at) (CD 10,000) (TO to) (CD 20,000))))))))))) (. .)))
There were Bin Ladin-supported camps in Afghanistan in the late 1990s.
( There ( ( were ( ( Bin ( Ladin-supported camps ) ) ( in ( Afghanistan ( in ( the ( late 1990s ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (EX There)) (VP (VBD were) (NP (NP (NNP Bin) (JJ Ladin-supported) (NNS camps)) (PP (IN in) (NP (NP (NNP Afghanistan)) (PP (IN in) (NP (DT the) (JJ late) (NNS 1990s))))))) (. .)))