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.

[EX Q]: Given Relationship: 'be officer of', Sentence: 'Previously , Mark also served as Vice President - Finance and Chief Financial Officer for Oklahoma Christian University and Vice President , Corporate Controller for Crested Butte Mountain Resort .'
[EX A]: Officer

[EX Q]: Given Relationship: 'return to', Sentence: 'Then John rode off into the northern January cold of 1777 to return to Philadelphia .'
[EX A]: return

[EX Q]: Given Relationship: 'be congressman from', Sentence: 'Bob Barr was a Georgia GOP congressman until 2003 , after which he became a conservative activist .'
[EX A]:
congressman