They could not recall that any of the passengers they screened were CAPPS selectees.
( They ( ( ( could not ) ( recall ( that ( ( any ( of ( ( the passengers ) ( they screened ) ) ) ) ( were ( CAPPS selectees ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP They)) (VP (MD could) (RB not) (VP (VB recall) (SBAR (IN that) (S (NP (NP (DT any)) (PP (IN of) (NP (NP (DT the) (NNS passengers)) (SBAR (S (NP (PRP they)) (VP (VBD screened))))))) (VP (VBD were) (NP (NNP CAPPS) (NNS selectees))))))) (. .)))
None of the passengers they screened were CAPPS selectees, as far as they could remember.
( ( None ( of ( ( the passengers ) ( they screened ) ) ) ) ( ( ( ( were ( CAPPS selectees ) ) , ) ( ( as far ) ( as ( they ( could remember ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NN None)) (PP (IN of) (NP (NP (DT the) (NNS passengers)) (SBAR (S (NP (PRP they)) (VP (VBD screened))))))) (VP (VBD were) (NP (NNP CAPPS) (NNS selectees)) (, ,) (SBAR (ADVP (RB as) (RB far)) (IN as) (S (NP (PRP they)) (VP (MD could) (VP (VB remember)))))) (. .)))