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 chairman of', Sentence: 'President Bush named his top economic advisor , Ben Bernanke to replace economic legend Alan Greenspan as the chairman of the Federal Reserve .'
chairman

Given Relationship: 'run for', Sentence: 'He was campaigning for Barack Obama on behalf of the campaign in Philadelphia yesterday and today he 's going to be on the campus of Ohio State University and , so , we 'll have some of that for you coming up during this coming hour and Mary , even though Barack Obama is running for president of the United States , the campaign still comfortable referring to Bruce Springsteen as the boss .'
for

Given Relationship: 'elect of', Sentence: 'Monroe was elected President of the United States in 1816 .'

elected