1506
that ' s what we ' re doing as we come through here and completely search theses have else to make sure there ' s no one lurking on there with weapons or rpgs or some other pad to take down helos that are flying by or any other ships that are coming in through here .
 attack: take down
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: take down