(S (S (BASENP (PRP He)) (VP (VP (VBZ is) (NP (BASENP (NNP Belarus) (POS ')) (NP (ADJP (RBS longest) (VBG serving)) (BASENP (NNP Prime) (NNP Minister))))) (COMMA ,) (S (VP (VBG having) (VP (VBN served) (PP (IN over) (BASENP (NN seven) (NNS years)))))))) (PERIOD .))