870
The spate of bombings underscored how difficult it will be to carry out the U . S .- backed `` road map '' plan , a three - stage prescription for ending violence immediately and setting up a Palestinian state by 2005 .
 attack: bombings
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: bombings