9
The Houston energy company , which has been the target of a slew of investigations into alleged financial deception , filed a pair of motions in federal bankruptcy court in Manhattan in April , said the daily .
 declare bankruptcy: bankruptcy
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:
 declare bankruptcy: bankruptcy