Between 9:34 and 9:38, the Cleveland controller observed United 93 climbing to 40,700 feet and immediately moved several aircraft out its way.
( ( Between ( ( 9:34 and ) 9:38 ) ) ( , ( ( the ( Cleveland controller ) ) ( ( ( ( observed ( ( United 93 ) ( climbing ( to ( 40,700 feet ) ) ) ) ) and ) ( immediately ( ( moved ( several aircraft ) ) ( out ( its way ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN Between) (NP (CD 9:34) (CC and) (CD 9:38))) (, ,) (NP (DT the) (NNP Cleveland) (NN controller)) (VP (VP (VBD observed) (NP (NP (NNP United) (CD 93)) (VP (VBG climbing) (PP (TO to) (NP (CD 40,700) (NNS feet)))))) (CC and) (VP (ADVP (RB immediately)) (VBD moved) (NP (JJ several) (NN aircraft)) (PP (IN out) (NP (PRP$ its) (NN way))))) (. .)))
The Cleveland controller observed United 93 falling 40,700 feet.
( ( The ( Cleveland controller ) ) ( ( observed ( ( United 93 ) ( falling ( 40,700 feet ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NNP Cleveland) (NN controller)) (VP (VBD observed) (NP (NP (NNP United) (CD 93)) (VP (VBG falling) (NP (CD 40,700) (NNS feet))))) (. .)))