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The litigation covers buyers in auctions outside the United States between January 1 , 1993 and February 7 , 2000 , and sellers between September 1 , 1995 and February 7 , 2000 .
 buyers: plaintiff; sellers: plaintiff
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: sue 
  Option: plaintiff, adjudicator, defendant, place 
Text: {0} 
Answer:
 buyers: plaintiff; sellers: plaintiff