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 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 .'
[A]: Officer


[Q]: Given Relationship: 'be president of', Sentence: 'Of those 29 only one refers to general politics it is the one I signed with my colleague , the President of the People 's Republic of China , Mr Hu Jintao .'
[A]: President


[Q]: Given Relationship: 'be jewel of', Sentence: 'Udaipur is the jewel of Mewar a kingdom ruled by the Siodia dynasty for 1200 years.The foundation of the city has an interesting legend associated with it.Accordaing to it , Maharana UdaiSingh , the founder ,was hunting one day when met a holy man meditating on a hill overlooking the Lake Pichhola .'
[A]:
jewel