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Washington , DC - The Bechtel Corporation was handed a powerful victory last week , when a secretive trade court announced that it would not allow the public or media to participate in or even witness proceedings in which Bechtel is suing the people of Bolivia .
 ( sue: suing,  court: adjudicator, people: defendant, Bechtel: plaintiff) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: declare bankruptcy, transfer ownership, transfer money, marry, transport, die, phone write, arrest jail, convict, sentence, sue, end organization, start organization, end position, start position, meet, elect, attack, injure, born, fine, release parole, charge indict, extradite, trial hearing, demonstrate, divorce, nominate, appeal, pardon, execute, acquit, merge organization, Arguments type: beneficiary, prosecutor, plaintiff, seller, victim, buyer, agent, destination, artifact, organization, recipient, person, place, origin, target, giver, adjudicator, attacker, vehicle, defendant, entity, instrument. 
Text: {0} 
Answer:
 ( sue: suing,  court: adjudicator, people: defendant, Bechtel: plaintiff) 