instruction:
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.
question:
Given Relationship: 'be chairman of', Sentence: 'Alan Greenspan , the Chairman of the U.S. Federal Reserve , the current U.S. administration , and U.S. politicians of all stripes could teach a few lessons to those who dictated the level of inflation ahead of them .'
answer:
Chairman


question:
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 ?'
answer:
brothers


question:
Given Relationship: 'be present for', Sentence: 'Terry Barrett is the International Economic Data Chief for Bloomberg News , presenting economic data in the United States and around the globe for Bloomberg Financial Markets , used by financial professionals and leading newspapers and magazines throughout the world .'
answer:

presenting