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The Intercontinental Hotels Group data breach previously announced in February as affecting 12 hotels in the chain has proven to have been far more extensive than was first thought .
 ( data breach: data breach,  The Intercontinental Hotels Group: victim, February: time, 12: number of victim, hotels: 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:
 ( data breach: data breach,  The Intercontinental Hotels Group: victim, February: time, 12: number of victim, hotels: victim) 