1821
a b - 1 bomber dropped four 2 , 000 - pound bombs on a building in a residential area of baghdad after getting intelligence reports senior officials were meeting there , possibly including saddam hussein and his sons .
 attack: dropped
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: dropped