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.

[Q]: Given Relationship: 'be secretary-general of', Sentence: 'Secretary-General Ban Ki-moon appointed Kiyotaka Akasaka of Japan as United Nations Under-Secretary-General for Communications and Public Information on April 1 2007 .'
[A]: Secretary-General


[Q]: Given Relationship: 'run', Sentence: 'Run Linux within Virtual PC within Mac OS X ...'
[A]: Run


[Q]: Given Relationship: 'choose', Sentence: 'Senator John McCain chose Gov. Sarah Palin of Alaska as his running mate on Friday , shaking up the political world with a surprise pick at a time when his campaign has been trying to attract women , especially disaffected supporters of Senator Hillary Rodham Clinton .'
[A]:
chose