is sadly heightened by current world events 
(ROOT (VP (VBZ is) (ADVP (RB sadly)) (VP (VBN heightened) (PP (IN by) (NP (JJ current) (NN world) (NNS events))))))
(ROOT (VP (VBZ ) (ADVP (RB )) (VP (VBN ) (PP (IN ) (NP (JJ ) (NN ) (NNS ))))))