3484
The proof - of - concept exploit was developed by Theori , a research and development firm in Austin , which opened its doors last spring .
 proof - of - concept exploit: vulnerability; Theori: discoverer; research and development 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:
 proof - of - concept exploit: vulnerability; Theori: discoverer; research and development firm: discoverer