Meanwhile, a manager from Boston Center reported that they had deciphered what they had heard in one of the first hijacker transmissions from American 11: Boston  Hey . . . you still there?
( Meanwhile ( , ( ( ( a manager ) ( from ( Boston Center ) ) ) ( ( reported ( that ( they ( had ( deciphered ( what ( they ( had ( heard ( in ( one ( of ( the ( ( ( ( ( ( first ( hijacker transmissions ) ) ( from ( American 11 ) ) ) : ) ( Boston Hey ) ) ... ) ( you ( still there ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ? ) ) ) )
(ROOT (S (ADVP (RB Meanwhile)) (, ,) (NP (NP (DT a) (NN manager)) (PP (IN from) (NP (NNP Boston) (NNP Center)))) (VP (VBD reported) (SBAR (IN that) (S (NP (PRP they)) (VP (VBD had) (VP (VBN deciphered) (SBAR (WHNP (WP what)) (S (NP (PRP they)) (VP (VBD had) (VP (VBN heard) (PP (IN in) (NP (NP (CD one)) (PP (IN of) (NP (DT the) (NP (JJ first) (NN hijacker) (NNS transmissions)) (PP (IN from) (NP (NNP American) (CD 11))) (: :) (NP (NNP Boston) (NNP Hey)) (: ...) (NP (NP (PRP you)) (RRC (ADVP (RB still)) (NP (RB there))))))))))))))))) (. ?)))
A manager from the Boston center said they heard a hijacker transmission that was spoken in English.
( ( ( A manager ) ( from ( the ( Boston center ) ) ) ) ( ( said ( they ( heard ( ( a ( hijacker transmission ) ) ( that ( was ( spoken ( in English ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT A) (NN manager)) (PP (IN from) (NP (DT the) (NNP Boston) (NN center)))) (VP (VBD said) (SBAR (S (NP (PRP they)) (VP (VBD heard) (NP (NP (DT a) (NN hijacker) (NN transmission)) (SBAR (WHNP (WDT that)) (S (VP (VBD was) (VP (VBN spoken) (PP (IN in) (NP (NNP English)))))))))))) (. .)))