556
The rebels have captured the country ' s main international airport , said a top official in a 300 - strong African security force policing the city .
 airport: artifact; rebels: beneficiary
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: transfer ownership 
  Option: artifact, seller, place, beneficiary, buyer 
Text: {0} 
Answer:
 airport: artifact; rebels: beneficiary