American 11 struck the NorthTower at 8:46.
( ( American 11 ) ( ( ( struck ( the NorthTower ) ) ( at 8:46 ) ) . ) )
(ROOT (S (NP (NNP American) (CD 11)) (VP (VBD struck) (NP (DT the) (NN NorthTower)) (PP (IN at) (NP (CD 8:46)))) (. .)))
The first plane hit the tower at 8:46
( ( The ( first plane ) ) ( ( hit ( the tower ) ) ( at 8:46 ) ) )
(ROOT (S (NP (DT The) (JJ first) (NN plane)) (VP (VBD hit) (NP (DT the) (NN tower)) (PP (IN at) (NP (CD 8:46))))))