1813
the president , quoted by ari fleischer , his spokesman , is saying he ' s concerned the strike will undermine efforts by palestinian authorities to bring an end to terrorist attacks and does not contribute to the security of israel .
 attack: strike
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: strike