instruction:
From the given sentence, extract the phrase (often noun or verb) that carries the given relationship. The generated phrase should be present in the sentence.
question:
Given Relationship: 'be invade', Sentence: 'When it was reported that Russia had invaded Georgia unprovoked , I remembered reading where one of McCain campaign advisors was until just recently a lobbyist for Georgia .'
answer:
invaded


question:
Given Relationship: 'be son of', Sentence: 'Peter is called son of John in John 21:15 and Barjona in Matt 16 :17 .'
answer:
son


question:
Given Relationship: 'be chairman of', Sentence: 'Microsoft chairman Bill Gates has released a swarm of mosquitoes into an audience at a technology and design conference in California .'
answer:

chairman