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In all , two million Americans have lost t heir jobs under President Bush so far , not to mention three of them being the top three leaders of his economic team .
 Americans: person
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: end position 
  Option: person, entity, place 
Text: {0} 
Answer:
 Americans: person