864
Larry Klayman , chairman of Judicial Watch , which represent 14 survivors and victims ' relatives who have filed a $ 1 . 5 billion federal lawsuit against Iraq in Washington , said his organization had served a subpoena on Al - Douri twice , on March 26 and March 28 , but said he has not responded .
 sue: lawsuit
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:
 sue: lawsuit