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 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 .'
[A]: president

[Q]: Given Relationship: 'present at', Sentence: 'Paper presented at the First International Conference on English , Discourse and Cultural Communication .'
[A]: presented

[Q]: Given Relationship: 'be part of', Sentence: 'Western Russia makes up the east part of Europe and has all its famous cities such as Moscow , St . Petersburg , Stalingrad , Leningrad etc .'
[A]:
part