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.

Ex Input:
Given Relationship: 'win', Sentence: 'The SOX win World Series of ratings !'

Ex Output:
win


Ex Input:
Given Relationship: 'be focus of', Sentence: 'The Glaucoma Research Center at Wills Eye Institute focuses and coordinates these efforts to discover and disseminate sight-saving knowledge around the world .'

Ex Output:
focuses


Ex Input:
Given Relationship: 'be president of', Sentence: 'Many will share the Durham native 's enthusiasm Tuesday when Barack Obama makes history as the 44th president of the United States .'

Ex Output:

president