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 president of', Sentence: 'Ted Haggard resigned Thursday afternoon as president of the National Association of Evangelicals , amid allegations that surfaced Wednesday about involvement with a male prostitute .'
president

Given Relationship: 'be chair of', Sentence: 'On the basis of the assessment , the Executive Vice Chancellor and the Chair of the Academic Senate will again consult regarding the appropriate governance structure to follow .'
Chair

Given Relationship: 'be send to', Sentence: 'Stalin sent my grandfather to Siberia for 10 years .'

sent