(S (S (S (NP (BASENP (DT The) (NN union)) (CC and) (BASENP (NNS leaders))) (VP (MD may) (VP (ADVP (RB also)) (VP (VB face) (BASENP (JJ criminal) (NNS charges)))))) (SBAR (IN after) (S (BASENP (DT the) (NN government)) (VP (VP (VP (VBD appointed) (BASENP (NNP Len) (NNP Doust))) (PP (IN as) (BASENP (DT an) (JJ independent) (JJ special) (NN prosecutor)))) (S (VP (TO to) (VP (VB assess) (SBAR (IN whether) (S (BASENP (JJ criminal) (NN contempt) (NNS charges)) (VP (MD may) (VP (VB be) (VP (VBN brought))))))))))))) (PERIOD .))