2248
there were small pockets of resistance in the area , two , three man groups who had ak - 47s and possible rpgs and what not and our job was to just observe forward and make sure no one was waiting to ambush the avs or the tanks and i was on a metal roof and i stepped
 attack: ambush
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: declare bankruptcy, transfer ownership, marry, die, phone write, arrest jail, convict, sue, transfer money, end organization, start organization, end position, merge organization, start position, transport, charge indict, elect, attack, injure, born, extradite, release parole, sentence, demonstrate, meet, trial hearing, divorce, nominate, fine, appeal, pardon, execute, acquit 
Text: {0} 
Answer:
 attack: ambush