639
A year ago , Google ’s Ormandy found critical vulnerabilities that affected no fewer than 17 Symantec antivirus products .
 vulnerabilities: vulnerability; Ormandy: discoverer; year ago: time; Google: 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:
 vulnerabilities: vulnerability; Ormandy: discoverer; year ago: time; Google: discoverer