puts an exclamation point on the fact 
(ROOT (S (VP (VBZ puts) (NP (DT an) (NN exclamation) (NN point)) (PP (IN on) (NP (DT the) (NN fact))))))
(ROOT (S (VP (VBZ ) (NP (DT ) (NN ) (NN )) (PP (IN ) (NP (DT ) (NN ))))))