striking a blow for artistic integrity 
(ROOT (S (VP (VBG striking) (NP (NP (DT a) (NN blow)) (PP (IN for) (NP (JJ artistic) (NN integrity)))))))
(ROOT (S (VP (VBG ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (JJ ) (NN )))))))