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.

Given Relationship: 'be elect by', Sentence: 'The General Assembly of ICSU is held every three years to discuss current development of science , to review strategy and programs of ICSU, and to elect a new executive board and officers .'
elect

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 .'
countries

Given Relationship: 'be city in', Sentence: 'The interwoven diversity in the natural world is used as a metaphor for the diversity of Los Angeles , the most diverse city in the United States .'
city