506
Israeli soldiers shot and killed a 16 - year - old Palestinian boy and wounded a 7 - year - old boy after opening fire at stone throwers in the Tulkarem refugee camp in the West Bank on Tuesday , Palestinian hospital officials said .
 attack: shot
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:
 attack: shot