There was confusion at that moment in the FAA.
( There ( ( was ( confusion ( at ( ( that moment ) ( in ( the FAA ) ) ) ) ) ) . ) )
(ROOT (S (NP (EX There)) (VP (VBD was) (NP (NP (NN confusion)) (PP (IN at) (NP (NP (DT that) (NN moment)) (PP (IN in) (NP (DT the) (NNP FAA))))))) (. .)))
The FAA was confused at that time.
( ( The FAA ) ( ( was ( confused ( at ( that time ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NNP FAA)) (VP (VBD was) (VP (VBN confused) (PP (IN at) (NP (DT that) (NN time))))) (. .)))