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The FBI is looking into two incidents in Colorado Springs , Colo ., and one each in Cleveland , Washington , Houston , Teterboro , N . J ., and Medford , Ore ., according to federal and local law enforcement and transportation officials , some of whom spoke only on condition of anonymity .
 ( attack: incidents,  Colorado Springs: place) 
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:
 ( attack: incidents,  Colorado Springs: place) 