1911
last week williamson , a mother of four , was found stabbed to death at a condominium in greenbelt , maryland .
 condominium: place; williamson: target
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: attack 
  Option: victim, attacker, place, target, instrument 
Text: {0} 
Answer:
 condominium: place; williamson: target