Five minutes later, the Command Center forwarded this update to  Command  O.K.
( ( ( Five minutes ) later ) ( , ( ( the ( Command Center ) ) ( ( forwarded ( this update ) ) ( to ( Command O.K. ) ) ) ) ) )
(ROOT (S (ADVP (NP (CD Five) (NNS minutes)) (RB later)) (, ,) (NP (DT the) (NNP Command) (NNP Center)) (VP (VBD forwarded) (NP (DT this) (NN update)) (PP (TO to) (NP (NNP Command) (NNP O.K.))))))
Five minutes was the quickest that the Command Center was able to forward the update.
( ( Five minutes ) ( ( ( was ( the quickest ) ) ( that ( ( the ( Command Center ) ) ( was ( able ( to ( forward ( the update ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (CD Five) (NNS minutes)) (VP (VBD was) (NP (DT the) (JJS quickest)) (SBAR (IN that) (S (NP (DT the) (NNP Command) (NNP Center)) (VP (VBD was) (ADJP (JJ able) (PP (TO to) (NP (RB forward) (DT the) (NN update)))))))) (. .)))