    Sentence: i:' Ainerican’ also begin, .gétting-  identifications “of -the “hijackers; as Ong anit  then’ Sweeney..passed ‘on. me" Of sthe ‘seat  numbers". of. those » who. chad . .wained  uinauthorized aceess.to the caekpit.    ‘Sentence 2: The. Ametican. did not fndvout  who wias behind the hijackitig.    