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British efforts to provide a way out of the diplomatic mire at the United Nations ended without agreement late Thursday , but with London ' s ambassador to the UN , Jeremy Greenstock , saying he expected talks to go on into the weekend .
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Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: meet 
  Option: entity, place 
Text: {0} 
Answer:
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