provides a nice change of mindless pace in collision 
(ROOT (S (VP (VBZ provides) (NP (NP (DT a) (JJ nice) (NN change)) (PP (IN of) (NP (JJ mindless) (NN pace)))) (PP (IN in) (NP (NN collision))))))
(ROOT (S (VP (VBZ ) (NP (NP (DT ) (JJ ) (NN )) (PP (IN ) (NP (JJ ) (NN )))) (PP (IN ) (NP (NN ))))))