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To most outsiders , this is a case of Chinese white hats finding vulnerabilities in BMW ’s in - car systems .
 Chinese white hats: discoverer; vulnerabilities: vulnerability; BMW ’s in - car systems: vulnerable system
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: discover vulnerability 
  Option: vulnerable system owner, vulnerability, capabilities, time, vulnerable system version, discoverer, common vulnerabilities and exposures, supported platform, vulnerable system 
Text: {0} 
Answer:
 Chinese white hats: discoverer; vulnerabilities: vulnerability; BMW ’s in - car systems: vulnerable system