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.

Q: 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 .'

A: countries
****
Q: Given Relationship: 'be president of', Sentence: 'When Barack Obama became the 44th president of United States , there was a sense of ecstasy , joy and relief in virtually every country of the world , except in Pakistan , Iraq and Afghanistan .'

A: president
****
Q: Given Relationship: 'declare war on', Sentence: 'Japan to-night declared war on Britain and the United States after launching full-scale naval and air attacks on two of America 's main bases in the Pacific - Pearl Harbor , in Hawaii and Guam , between Hawaii and the Philippine Islands .'

A:
declared
****