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: 'support', Sentence: 'Iran supported the Hezbollah in the civil war raging in Lebanon .'
answer:
supported


question:
Given Relationship: 'be president of', Sentence: 'Security personnel perform a sweep on Pennsylvania Avenue prior to the inauguration ceremony of President elect Barack Obama as the 44th President of the United States , in Washington January 20 , 2009 .'
answer:

President