About 20 minutes later, at 7:35, another passenger for Flight 77, Hani Hanjour, placed two carry-on bags on the X-ray belt in the Main Terminal's west checkpoint, and proceeded, without alarm, through the metal detector.
( ( ( ( About 20 ) minutes ) later ) ( , ( ( at 7:35 ) ( , ( ( ( ( ( ( another passenger ) ( for ( Flight 77 ) ) ) , ) ( Hani Hanjour ) ) , ) ( ( ( ( ( ( ( placed ( two ( carry-on bags ) ) ) ( on ( the ( X-ray belt ) ) ) ) ( in ( ( the ( Main ( Terminal 's ) ) ) ( west checkpoint ) ) ) ) , ) and ) ( ( ( ( proceeded , ) ( without alarm ) ) , ) ( through ( the ( metal detector ) ) ) ) ) . ) ) ) ) ) )
(ROOT (S (ADVP (NP (QP (RB About) (CD 20)) (NNS minutes)) (RB later)) (, ,) (PP (IN at) (NP (CD 7:35))) (, ,) (NP (NP (NP (DT another) (NN passenger)) (PP (IN for) (NP (NNP Flight) (CD 77)))) (, ,) (NP (NNP Hani) (NNP Hanjour)) (, ,)) (VP (VBD placed) (NP (CD two) (JJ carry-on) (NNS bags)) (PP (IN on) (NP (DT the) (NN X-ray) (NN belt))) (PP (IN in) (NP (NP (DT the) (NNP Main) (NNP Terminal) (POS 's)) (JJ west) (NN checkpoint)))) (, ,) (CC and) (VP (VBD proceeded) (, ,) (PP (IN without) (NP (NN alarm))) (, ,) (PP (IN through) (NP (DT the) (NN metal) (NN detector)))) (. .)))
Hani was nervous that he would set off the alarms but thankful when he did not.
( Hani ( ( ( ( was ( nervous ( that ( he ( would ( ( set off ) ( the alarms ) ) ) ) ) ) ) but ) ( thankful ( when ( he ( did not ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Hani)) (VP (VP (VBD was) (ADJP (JJ nervous) (SBAR (IN that) (S (NP (PRP he)) (VP (MD would) (VP (VB set) (PRT (RP off)) (NP (DT the) (NNS alarms)))))))) (CC but) (VP (VBP thankful) (SBAR (WHADVP (WRB when)) (S (NP (PRP he)) (VP (VBD did) (RB not)))))) (. .)))