caught up in the rush of slapstick thoroughfare 
(ROOT (S (VP (VBN caught) (PRT (RP up)) (PP (IN in) (NP (NP (DT the) (NN rush)) (PP (IN of) (NP (JJ slapstick) (NN thoroughfare))))))))
(ROOT (S (VP (VBN ) (PRT (RP )) (PP (IN ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (JJ ) (NN ))))))))