2161
a man with a pistol was arrested outside of the courthouse and police say he admits planning the bombs .
 man: person; courthouse: place; police: agent
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: arrest jail 
  Option: person, agent, place 
Text: {0} 
Answer:
 man: person; courthouse: place; police: agent