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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 .
 None
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: declare bankruptcy 
  Option: organization 
Text: {0} 
Answer:
 None