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This past fall , an investment firm rattled the health care industry with unsubstantiated claims of multiple software vulnerabilities in internet - connected pacemakers and cardiac defibrillators .
 multiple software vulnerabilities: vulnerability; internet - connected pacemakers: vulnerable system; cardiac defibrillators: vulnerable system; an investment firm: discoverer
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:
 multiple software vulnerabilities: vulnerability; internet - connected pacemakers: vulnerable system; cardiac defibrillators: vulnerable system; an investment firm: discoverer