1
It has been suggested that there is , or was at one time , some sort of delegates ' motion which established a minimum period between the time someone could leave the EB and the time someone could be hired by the USCF .
 someone: 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:
 someone: person