10
Enron ' s principal bankers , including JP Morgan Chase and Citigroup , and along with numerous other Enron advisers , have already been sued by the company ' s shareholders for allegedly helping the company hide debt , and they face investigations from regulators over their involvement .
 sue: sued
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: sued