1887
Ormandy has reported several critical security flaws in the password manager during the past week , and this weekend he has managed to discover a new one .
 a new one: vulnerability; this weekend: time; 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:
 a new one: vulnerability; this weekend: time; he: discoverer