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Victims received a legitimate ( non-spoofed ) email from one of their friends , that asked them to click on a button to receive access to a Google Docs document .
 ( phishing: received,  Victims: victim, a legitimate ( non-spoofed ) email: trusted entity, their friends: trusted entity, click on a button: attack pattern, receive access to a Google Docs document: purpose) 
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: received,  Victims: victim, a legitimate ( non-spoofed ) email: trusted entity, their friends: trusted entity, click on a button: attack pattern, receive access to a Google Docs document: purpose) 