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: 'Pakistan 's president Gen . Pervez Musharraf threatened yesterday to kill militant followers of an Islamic cleric who said he and his comrades prefer death to surrender .'
president

Given Relationship: 'win', Sentence: 'The SOX win World Series of ratings !'
win

Given Relationship: 'be serve by', Sentence: 'Tallahassee is served by Tallahassee Regional Airport .'
served