1011
Police were investigating the cause of the explosion in the restroom of the multistory Crocodile Cafe in the commercial district of Kizilay during the morning rush hour .
 restroom: place; district: place
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:
 restroom: place; district: place