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He also provided Facebook security team with an in - depth proof of concept ( PoC ) who patched the issue and awarded him a sum of $ 40,000 through the Bugcrowd payment system .
 Facebook security team: vulnerable system owner; He: 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:
 Facebook security team: vulnerable system owner; He: discoverer