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 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 .'
focuses

Given Relationship: 'be president of', Sentence: 'Tomorrow Barack Obama will become president of the United States .'
president

Given Relationship: 'consist of', Sentence: 'The Committee on Membership shall consist of a Chair and two members .'

consist