2795
Ransomware 's Best Friend In 2016 , phishing also continued to be by far the most prevalent method for delivering ransomware on everything from end user systems to systems belonging to businesses , government agencies , schools , and critical infrastructure targets .
 ( phishing: phishing,  2016: time, delivering ransomware: purpose, user systems: trusted entity, government agencies: victim, schools: victim, businesses: victim, Ransomware: tool, targets: victim) 
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: phishing, data breach, ransom, discover vulnerability, patch vulnerability, Arguments type: vulnerable system, capabilities, vulnerability, number of victim, issues addressed, compromised data, damage amount, common vulnerabilities and exposures, victim, patch number, number of data, tool, discoverer, time, purpose, place, payment method, releaser, vulnerable system version, attacker, supported platform, patch, price, vulnerable system owner, trusted entity, attack pattern. 
Text: {0} 
Answer:
 ( phishing: phishing,  2016: time, delivering ransomware: purpose, user systems: trusted entity, government agencies: victim, schools: victim, businesses: victim, Ransomware: tool, targets: victim) 