617
Ocalan , leader of the Kurdistan Workers Party , or PKK , is serving a life sentence in Turkey for leading a 15 - year insurgency against the country that left 37 , 000 people dead .
 arrest jail: serving
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:
 arrest jail: serving