(S (S (BASENP (JJ Many) (NNS protesters)) (VP (VP (VBP have) (VP (VBN been) (VP (VBG retaliating) (PP (TO to) (NP (BASENP (DT the) (NNS soldiers) (POS ')) (NNS commands)))))) (CONJP (COMMA ,) (CC and)) (VP (VBP have) (VP (ADVP (RB even)) (VP (VBN started) (S (VP (VP (VBG shoving) (CC and) (VBG punching)) (BASENP (DT a) (JJ few) (NNS guards))))))))) (PERIOD .))