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