From the airplane or from the ground?
( ( ( ( From ( the airplane ) ) or ) ( from ( the ground ) ) ) ? )
(ROOT (FRAG (PP (PP (IN From) (NP (DT the) (NN airplane))) (CC or) (PP (IN from) (NP (DT the) (NN ground)))) (. ?)))
The question was asked, "from the airplane or from the ground?" about the sighting of the pilot of the remains of the flight 93 which had crashed in Pennsylvania. 
( ( The question ) ( ( was ( ( ( ( ( asked , ) `` ) ( ( ( from ( the airplane ) ) or ) ( from ( ( the ground ) ? ) ) ) ) '' ) ( about ( ( ( the sighting ) ( of ( ( the pilot ) ( of ( ( the remains ) ( of ( the ( flight 93 ) ) ) ) ) ) ) ) ( which ( had ( crashed ( in Pennsylvania ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN question)) (VP (VBD was) (VP (VBN asked) (, ,) (`` ``) (PP (PP (IN from) (NP (DT the) (NN airplane))) (CC or) (PP (IN from) (FRAG (NP (DT the) (NN ground)) (. ?)))) ('' '') (PP (IN about) (NP (NP (DT the) (NN sighting)) (PP (IN of) (NP (NP (DT the) (NN pilot)) (PP (IN of) (NP (NP (DT the) (NNS remains)) (PP (IN of) (NP (DT the) (NN flight) (CD 93))))))) (SBAR (WHNP (WDT which)) (S (VP (VBD had) (VP (VBN crashed) (PP (IN in) (NP (NNP Pennsylvania))))))))))) (. .)))