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 president of', Sentence: 'Barack Obama today becomes the first black president of the United States of America .'
answer:
president


question:
Given Relationship: 'be country in', Sentence: 'Canada and the countries of the Americas are proceeding with Summits and many economic liberalisation negotiations , which , if realised , will transform the political , environmental , social and economic geography of the Western Hemisphere .'
answer:
countries


question:
Given Relationship: 'report to', Sentence: 'The Conway Institute will be managed by a Director reporting to a Board of Management .'
answer:

reporting