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: 'be president of', Sentence: 'The United States of America just inaugurated its 44th president , Barack Obama .'

Ex Output:
president


Ex Input:
Given Relationship: 'be member of', Sentence: 'The District Directory is usually issued to Club Presidents and Secretaries and District Committee members .'

Ex Output:
members


Ex Input:
Given Relationship: 'promise', Sentence: 'Given the intellect , or lack thereof of the typical Obama worshiper , where better to change minds , but on a website where Obama 's empty promises of " change and hope " lure his followers to congregate ?'

Ex Output:

promises