98
In Lebanon , hundreds of students gathered on the campuses of the Arab University of Beirut and the American University of Beirut calling for the assassination of US President George W . Bush and British Prime Minister Tony Blair .
 demonstrate: gathered
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:
 demonstrate: gathered