Two minutes later the transponder was turned off and even primary radar contact with the aircraft was lost.
( ( Two ( minutes later ) ) ( ( ( ( ( ( the transponder ) ( was ( turned off ) ) ) and ) even ) ( ( ( primary ( radar contact ) ) ( with ( the aircraft ) ) ) ( was lost ) ) ) . ) )
(ROOT (S (NP (CD Two) (NNS minutes) (RB later)) (S (NP (DT the) (NN transponder)) (VP (VBD was) (VP (VBN turned) (PRT (RP off))))) (CC and) (ADVP (RB even)) (S (NP (NP (JJ primary) (NN radar) (NN contact)) (PP (IN with) (NP (DT the) (NN aircraft)))) (VP (VBD was) (VP (VBN lost)))) (. .)))
The aircraft took 5 more minutes for the transponder to turn off.
( ( The aircraft ) ( ( took ( ( 5 ( more minutes ) ) ( for ( the ( transponder ( to ( turn off ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN aircraft)) (VP (VBD took) (NP (NP (CD 5) (JJR more) (NNS minutes)) (PP (IN for) (NP (DT the) (NN transponder) (S (VP (TO to) (VP (VB turn) (PRT (RP off))))))))) (. .)))