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Two years ago he discovered a pair of vulnerabilities in Tuxedo Touch , a home automation controller made by the company , that could have let an attacker unlock a house ’s doors or modify its climate controls .
 a pair of vulnerabilities: vulnerability; let an attacker unlock a house ’s doors: capabilities; the company: vulnerable system owner; Two years ago: time; he: discoverer; Tuxedo Touch: vulnerable system; modify its climate controls: 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:
 a pair of vulnerabilities: vulnerability; let an attacker unlock a house ’s doors: capabilities; the company: vulnerable system owner; Two years ago: time; he: discoverer; Tuxedo Touch: vulnerable system; modify its climate controls: capabilities