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: 'control', Sentence: 'So a vote for McCain is probably a vote for the status quo as long as Democrats control Congress .'

Ex Output:
control

Ex Input:
Given Relationship: 'be brother of', Sentence: 'It is believed that John Graham and Nancy Graham Raines had brothers James Graham and Thomas Graham , and probably the William Graham , who m . Susannah ?'

Ex Output:
brothers

Ex Input:
Given Relationship: 'cause', Sentence: 'Even the researcher credited with discovering the link between HIV and AIDS was sharply criticized when he suggested there were shortcomings in the theory that HIV alone causes AIDS .'

Ex Output:
causes