rtokens: He played an active role at the U.N. social development conference in Copenhagen last year and has co-authored articles with U.N. development programme officer Inge Kaul .
pos: NNP , CD , VBN IN NNP IN PRP VBD TO VB IN NN TO VB RP DT NN IN NNP POS JJ NN IN DT NNP NNPS NN IN NNP NNP .
tokens: Langmore , 57 , announced in November that he intended to resign from parliament to take up a position as Australia 's senior representative at the United Nations headquarters in New York .
ltokens: Halverson was considering possible dates for the by-election , his office said .