gets bogged down over 140 minutes 
(ROOT (S (VP (VBZ gets) (VP (VBN bogged) (PRT (RP down)) (PP (RB over) (NP (CD 140) (NNS minutes)))))))
(ROOT (S (VP (VBZ ) (VP (VBN ) (PRT (RP )) (PP (RB ) (NP (CD ) (NNS )))))))