to the floor with a sickening thud 
(ROOT (S (PP (IN to) (NP (DT the) (NN floor))) (PP (IN with) (NP (DT a) (JJ sickening) (NN thud)))))
(ROOT (S (PP (IN ) (NP (DT ) (NN ))) (PP (IN ) (NP (DT ) (JJ ) (NN )))))