1919
The group is asking for either $ 75,000 in Bitcoin or $ 100,000 in iTunes gift cards before the April 7 deadline .
 ( ransom: is asking for,  the April 7 deadline: time, in iTunes gift cards: payment method, $ 100,000: price, $ 75,000: price, in Bitcoin: payment method, The group: attacker) 
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:
 ( ransom: is asking for,  the April 7 deadline: time, in iTunes gift cards: payment method, $ 100,000: price, $ 75,000: price, in Bitcoin: payment method, The group: attacker) 