3100
In a nutshell : whereas Hivarekar ’s flaw had to do with attaching a victim ’s video to a comment , Melamed discovered a way to attach the video to an event post .
 attach the video to an event post: capabilities; Melamed: discoverer; Hivarekar ’s flaw: vulnerability; attaching a victim ’s video to a comment: capabilities
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:
 attach the video to an event post: capabilities; Melamed: discoverer; Hivarekar ’s flaw: vulnerability; attaching a victim ’s video to a comment: capabilities