(S (S (BASENP (NNP Wikinews)) (VP (VBZ has) (VP (VP (VP (VBN investigated) (BASENP (DT the) (NN claim))) (ADVP (RB further))) (COMMA ,) (PP (IN after) (S (VP (VBG seeing) (BASENP (DT these) (NNS allegations)))))))) (PERIOD .))